The strongest men are the most alone.

What ought a man be? Well, my short answer is 'himself'.

If only I could master that demon of procrastination that goes about like a roaring lion and devours all my good intentions, I should become the most punctual man in the world.

But a scientific man must live in a little bit of style.

...every man shares the responsibility and the guilt of the society to which he belongs.

The man whom God wills to slay in the struggle of life - he first individualizes.

Marriage! Nothing else demands so much of a man

One of the qualities of liberty is that, as long as it is being striven after, it goes on expanding. Therefore, the man who stands in the midst of the struggle and says, 'I have it,' merely shows by doing so that he has just lost it.

Look into any man's heart you please, and you will always find, in every one, at least one black spot which he has to keep concealed.