I curse all negative purism that tells me not to use a word from another language that either expresses something that my own language cannot or does that in a more delicate manner.

In happy ignorance, I sighed for a world I did not know, where I hoped to find every pleasure and enjoyment which my heart could desire; and now, on my return from that wide world... how many disappointed hopes and unsuccessful plans have I brought back!

To act is easy; to think is hard.

Once you have missed the first buttonhole, you'll never manage to button up.

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.

The Christian religion, though scattered and abroad will in the end gather itself together at the foot of the cross.

There is no way to face the great advantages of another person than through love.