To know means to know all. Not to know all means not to know. In order to know all, it is only necessary to know a little. But, in order to know this little, it is first necessary to know pretty much.

Man has no individual 'I'. But there are, instead, hundreds and thousands of separate small 'I's, very often entirely unknown to one another, never coming into contact, or, on the contrary, hostile to each other, mutually exclusive and incompatible. Each minute, each moment, man is saying or thinking, 'I'. And each time his 'I' is different. Just now it was a thought, now it is a desire, now a sensation, now another thought, and so on, endlessly. Man is a plurality. Man's name is legion.

Humanity is moving in a circle. The progress in mechanical things of the past hundred years has proceeded at the cost of losing many other things which perhaps were much more important for it.

Practice love on animals first; they react better and more sensitively.

One of the best means for arousing the wish to work on yourself is to realize that you may die at any moment. But first you must learn how to keep it in mind.

Sincerity is the key which will open the door through which you will see your separate parts, and you will see something quite new. You must go on trying to be sincere. Each day you put on a mask, and you must take it off little by little.

A miracle is not the breaking of physical laws, but rather represents laws which are incomprehensible to us.