A Quote by William Harvey
There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience, or derived in some way from our senses.
Related Quotes
For many ages it has been allowed by sensible men, Nihil est in intellectu quod non fuit prius in sensu: That is, There is nothing in the understanding which was not first perceived by some of the senses. All the knowledge which we naturally have is originally derived from our senses. And therefore those who want any sense cannot have the least knowledge or idea of the objects of that sense; as they that never had sight have not the least knowledge or conception of light or colours.
The ancient saying, "There is nothing in the intellect which was not first in some way in the senses," and senses being explorers of the world, opens the way to knowledge.
It is impossible to talk of respect for students for the dignity that is in the process of coming to be, for the identities that are in the process of construction, without taking into consideration the conditions in which they are living and the importance of the knowledge derived from life experience, which they bring with them to school. I can in no way underestimate such knowledge. Or what is worse, ridicule it.
We are whirling through endless space with an inconceivable speed, all around us everything is spinning, everything is moving, everywhere is energy. There mart be some way of availing ourselves of this energy more directly. Then; with the light obtained from the medium, with the power derived from it, with every form of energy obtained without effort, from the store forever inexhaustible, humanity will advance with giant strides. The mere contemplation of these magnificent possibilities expand our minds, strengthens our hopes and and fills our hearts with supreme delight.
..all arguments concerning existence are founded on the relation of cause and effect; that our knowledge of that relation is derived entirely from experience; and all our experimental conclusions proceed upon the supposition that the future will be conformable to the past. .... Without the influence of custom, we should be entirely ignorant of every matter of fact beyond what is immediately present to the memory and senses.
The seeing of objects involves many sources of information beyond those meeting the eye when we look at an object. It generally involves knowledge of the object derived from previous experience, and this experience is not limited to vision but may include the other senses: touch, taste, smell, hearing, and perhaps also temperature or pain.
I am convinced that it is impossible to expound the methods of induction in a sound manner, without resting them upon the theory of probability. Perfect knowledge alone can give certainty, and in nature perfect knowledge would be infinite knowledge, which is clearly beyond our capacities. We have, therefore, to content ourselves with partial knowledge - knowledge mingled with ignorance, producing doubt.
We yield to none in our love, admiration and respect for the Buddha-the Dharma-the Sangha. They are all ours. Their glories are ours and ours their failures.
In the new alchemy, we have a similar kind of way of thinking. Our internal space includes our intuitions, our thoughts, our senses and our feelings, and from these we construct or build a picture of the outside world. From intuition and thought, we construct time. We also construct space from thought and our sensations. From our senses and our feelings, we experience energy, and from our intuitions and our feelings, we experience motion.
It may well happen that what is in itself the more certain on account of the weakness of our intelligence, which is dazzled by the clearest objects of nature; as the owl is dazzled by the light of the sun. Hence the fact that some happen to doubt about articles of faith is not due to the uncertain nature of the truths, but to the weakness of human intelligence; yet the slenderest knowledge that may be obtained of the highest things is more desirable than the most certain knowledge obtained of lesser things.
There is us living the Cuban experience that we believe is ours. We do not believe that it is perfect, but it has been above all counting truly on the people, which is where the origins of true democracy lie.
I am not going to say I have been a saint. I have not been a perfect man. None is perfect but the Father, which is in Heaven.
A monarch, when good, is entitled to the consideration which we accord to a pirate who keeps Sunday School between crimes; when bad, he is entitled to none at all.
Every experiment destroys some of the knowledge of the system which was obtained by previous experiments.
We live on the leash of our senses. There is no way in which to understand the world without first detecting it through the radar-net of our senses.
Life and death appear more certainly ours than whatsoever else; and yet hardly can that be called ours, which comes without our knowledge, and goes without it.
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