It is by overcoming obstacles that man develops those qualities he needs.

If you want to remember yourself, the best thing is not to think about yourself. As long as you think about yourself, you will not remember yourself.

It is only when we realize that life is taking us nowhere that it begins to have meaning.

Our ancestors were very rich and eminent people, and they left us an enormous inheritance, which we have completely forgotten, especially since the time when we began to consider ourselves the descendants of a monkey.

a man can be given only what he can use; and he can use only that for which he has sacrificed something

Everything we do consciously remains for us.

Man has no permanent and unchangeable I. Every thought, every mood, every desire, every sensation says "I." And in each case it seems to be taken for granted that this I belongs to the Whole, to the whole man, and that a thought, a desire, or an aversion is expressed by this Whole.