What counts in making a happy marriage is not so much how compatible you are but how you deal with incompatibility.

We shall all of us die, so why should I grudge a little trouble?

There can be no peace for us, only misery, and the greatest happiness.

In order to know what he is, a man must first know what the sum of this mysterious humanity is, a humanity made up of people who, like himself, do not understand what they are.

Man has received direct from God only one instrument wherewith to know himself and to know his relation to the universe--he has no other--and that instrument is reason.

Meanwhile spring arrived. My old dejection passed away and gave place to the unrest which spring brings with it, full of dreams and vague hopes and desires.

Patriotism in its simplest, clearest and most indubitable signification is nothing else but a means of obtaining for the rulers their ambitions and covetous desires, and for the ruled the abdication of human dignity, reason, conscience, and a slavish enthrallment to those in power.