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.

One must be something, in order to do something.

You accuse a woman of wavering affections, but don't blame her; she is just looking for a consistent man.

Nothing is more damaging to the truth than an old error.

Life belongs to the living, and he who lives must be prepared for changes.

Human life-everybody lives it, but only to a few is it known.

What matters in art is not thinking but making.