One never goes so far as when one doesn't know where one is going.

Everything which is properly business we must keep carefully separate from life. Business requires earnestness and method; life must have a freed handling.

What is not started today is never finished tomorrow.

Basic characteristics of an individual organism: to divide, to unite, to merge into the universal, to abide in the particular, to transform itself, to define itself, and as living things tend to appear under a thousand conditions, to arise and vanish, to solidify and melt, to freeze and flow, to expand and contract. Since these effects occur together, any or all may occur at the same moment.

Life teaches us to be less harsh with ourselves and with others.

Love grants in a moment what toil can hardly acheive in an age.

Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world.

When we treat man as he is, we make him worse than he is; when we treat him as if he already were what he potentially could be, we make him what he should be.

Deny yourself! You must deny yourself! That is the song that never ends.