A Quote by Louis Pasteur

Every chemical substance, whether natural or artificial, falls into one of two major categories, according to the spatial characteristic of its form. The distinction is between those substances that have a plane of symmetry and those that do not. The former belong to the mineral, the latter to the living world.
Well, Keith Alexander, the former director of the NSA wants to say every company in the United States falls under one of two categories, those that have been hacked and those that don't yet know it.
The distinction between the world of commerce and that of "culture" quickly became the distinction between infrastructure and superstructure, with the former clearly determining the latter.
Substance is enduring, form is ephemeral. Failure to distinguish clearly between the two is ruinous. Success follows those adept at preserving the substance of the past by clothing it in the forms of the future. Preserve substance; modify form; know the difference.
Both religion and natural science require a belief in God for their activities, to the former He is the starting point, and to the latter the goal of every thought process. To the former He is the foundation, to the latter, the crown of the edifice of every generalized world view.
There are two kinds of photographers: those who compose pictures and those who take them. The former work in studios. For the latter, the studio is the world... For them, the ordinary doesn't exist: every thing in life is a source of nourishment.
Now I wonder what our knowledge has in common with God's knowledge according to those who treat God's knowledge... Is there anything else common to both besides the mere name? ...there is an essential distinction between His knowledge and ours, like the distinction between the substance of the heavens and that of the earth.
The difference between a man who is led by opinion or emotion and one who is led by reason. The former, whether he will or not, performs things of which he is entirely ignorant; the latter is subordinate to no one, and only does those things which he knows to be of primary importance in his life, and which on that account he desires the most; and therefore I call the former a slave, but the latter free.
Novelists seem to fall into two distinct categories - those that plan and those that just see where it takes them. I am very much the former category.
I'm coming to believe that there are two kinds of people... those who choose to be masters of their own fate and those who wait in chairs while other dance. I would rather be one of the former than the latter.
In this world, which is so plainly the antechamber of another, there are no happy men. The true division of humanity is between those who live in light and those who live in darkness. Our aim must be to diminish the number of the latter and increase the number of the former. That is why we demand education and knowledge.
Society is indeed a contract. It is a partnership in all science; a partnership in all art; a partnership in every virtue, and in all perfection. As the ends of such a partnership cannot be obtained in many generations, it becomes a partnership not only between those who are living, but between those who are living, those who are dead, and those who are to be born.
I make this chief distinction between religion and superstition, that the latter is founded on ignorance, the former on knowledge.
Objects can be classified scientifically into three major categories: those that don't work, those that break down and those that get lost.
Inanimate objects can be classified scientifically into three major categories; those that don't work, those that break down and those that get lost.
Inanimate objects can be classified scientifically into three major categories: those that don't work, those that break down and those that get lost.
Open your refrigerator, your freezer, your kitchen cupboards, and look at the labels on your food. You'll find 'natural flavor' or 'artificial flavor' in just about every list of ingredients. The similarities between these two broad categories are far more significant than the differences.
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