As long as men are free to ask what they must, free to say what they think, free to think what they will, freedom can never be lost and science can never regress.
All our final decisions are made in a state of mind that is not going to last.
A woman one loves rarely suffices for all our needs, so we deceive her with another whom we do not love.
A powerful idea communicates some of its strength to him who challenges it.
Time passes, and little by little everything that we have spoken in falsehood becomes true.
Happiness serves hardly any other purpose than to make unhappiness possible.
Words do not change their meanings so drastically in the course of centuries as, in our minds, names do in the course of a year or two.
Those whose suffering is due to love are, as we say of certain invalids, their own physicians.
The paradoxes of today are the prejudices of tomorrow, since the most benighted and the most deplorable prejudices have had their moment of novelty when fashion lent them its fragile grace.
Your soul is a dark forest. But the trees are of a particular species, they are genealogical trees.
What a profound significance small things assume when the woman we love conceals them from us.
We must never be afraid to go too far, for truth lies beyond.
We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us.
We do not succeed in changing things according to our desire, but gradually our desire changes.
We are healed from suffering only by experiencing it to the full.