What you need to know is very little, but to know that little takes very very much.

Conscious faith is freedom. Emotional faith is slavery. Mechanical faith is foolishness.

Remember yourself always and everywhere.

Two things in life are infinite; the stupidity of man and the mercy of God.

To know all, it is necessary to know very little; but to know that very little, one must first know pretty much.

Only super-efforts count.

Meat is necessary when there is hard physical work to be done, or in a very cold climate, or when edible plants cannot be found...Animal flesh provides all the substances we need, both for the intensive working of our organism and for maintaining a normal temperature in cold climates.