A Quote by Avicenna

That whose existence is necessary must necessarily be one essence.

Avicenna

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Avicenna
Philosopher

I understood, not with my intellect but with my whole being, that no theories of the rationality of existence or of progress could justify such an act; I realized that even if all the people in the world from the day of creation found this to be necessary according to whatever theory, I knew that it was not necessary and that it was wrong. Therefore, my judgments must be based-on what is right and necessary and not on what people say and do; I must judge not according to progress but according to my own heart.

Leo Tolstoy

Therefore, in this world he must prepare himself for the life beyond. That which he needs in the world of the Kingdom must be obtained here. Just as he prepared himself in the world of the matrix by acquiring forces necessary in this sphere of existence, so, likewise, the indispensable forces of the divine existence must be potentially attained in this world.

Abdu'l-Bahá

Every natural form is latent within us, originates in the soul whose essence is eternity, whose essence we cannot know but which most often intimates itself to us as the power to love and create.

Hermann Hesse

You are horrified at our intending to do away with private property. But in your existing society, private property is already done away with for nine tenths of the population; its existence for the few is solely due to its non-existence in the hands of those nine tenths. You reproach us, therefore, with intending to do away with a form of property, the necessary condition for whose existence is the non-existence of any property for the immense majority of society.

Karl Marx

The essence of oneself and the essence of the world: these two are one. [ The aim is not to see, but to realize that one is, that essence; then one is free to wander as that essence in the world.] Hence separateness, withdrawal, is no longer necessary. Wherever the hero may wander, whatever he may do, he is ever in the presence of his own essence-for he has the perfected eye to see.

Joseph Campbell

[T]he essence of belief is doubt, the essence of reality is questioning. The essence of Time is Flow, not Fix. The essence of faith is the knowledge that all flows and that everything must change. The growing man is Man Alive, and his "philosophy" must grow, must flow, with him. . . . the man too fixed today, unfixed tomorrow - and his body of beliefs is nothing but a series of fixations.

Thomas Wolfe

Even the Atheists... readily acknowledge it for an indubitable truth, that there must be something... which was never made or produced - and which therefore is the cause of those other things that are made, something... whose existence must needs be necessary... Wherefore all the question now is, what is this... self-existent thing, which is the cause of all other things that are made.

Ralph Cudworth

Each thing that exists remains forever, and that very existence of existence is proof of its eternity. But without that realization, which is the knowledge of perfect being, man would never know whether there was existence or non-existence. If eternal existence is altered, then it must become more beautiful; and if it disappears, it must return with more sublime image; and if it sleeps, it must dream of a better awakening, for it is ever greater upon its rebirth.

Khalil Gibran

If there is existence, there must be non-existence. And if there was a time when nothing existed, there must have been a time before that - when even nothing did not exist. Suddenly, when nothing came into existence, could one really say whether it belonged to the category of existence or non-existence?

Zhuangzi

Nothing is harder, yet nothing is more necessary, than to speak of certain things whose existence is neither demonstrable nor probable. The very fact that serious and conscientious men treat them as existing things brings them a step closer to existence and to the possibility of being born.

Hermann Hesse

Never must the existence or the essence of man as a whole be made a stake in the hazards of action.

Hans Jonas

What is necessary for 'the very existence of science,' and what the characteristics of nature are, are not to be determined by pompous preconditions, they are determined always by the material with which we work, by nature herself. We look, and we see what we find, and we cannot say ahead of time successfully what it is going to look like. ... It is necessary for the very existence of science that minds exist which do not allow that nature must satisfy some preconceived conditions.

Richard P. Feynman

Money is the alienated essence of man's work and existence; this essence dominates him and he worships it.

Karl Marx

... keep practicing. After a great deal of practice, we no longer think about all the necessary movements we must make; they become part of our existence. Before reaching that stage, however, you must practice and repeat. And if that's not enough, you must practice and repeat some more.

Paulo Coelho

The power of resistance is to set an example: not necessarily to change the person with whom you disagree, but to empower the one who is watching and whose growth is not yet completed, whose path is not at all clear, whose direction is still very much up in the proverbial air.

Tim Wise

Each religion, so dear to those whose life it sanctifies, and fulfilling so necessary a function in the society that has adopted it, necessarily contradicts every other religion, and probably contradicts itself.

George Santayana

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