You will obtain a vision of matter that is perhaps fatiguing for your imagination, but pure and stripped of what the requirements of life make you add to it in external perception.

To exist is to change, to change is to mature, to mature is to go on creating oneself endlessly.

Homo sapiens, the only creature endowed with reason, is also the only creature to pin its existence on things unreasonable.

All the living hold together, and all yield to the same tremendous push. The animal takes its stand on the plant, man bestrides animality, and the whole of humanity, in space and in time, is one immense army galloping beside and before and behind each of us in an overwhelming charge able to beat down every resistance and clear the most formidable obstacles, perhaps even death.

An absolute can only be given in an intuition, while all the rest has to do with analysis. We call intuition here the sympathy by which one is transported into the interior of an object in order to coincide with what there is unique andconsequently inexpressible in it. Analysis, on the contrary, is the operation which reduces the object to elements already known.

I see plainly how external images influence the image that I call my body : they transmit movement to it.

It is emotion that drives the intelligence forward in spite of obstacles.