In a discussion, the difficulty lies, not in being able to defend your opinion, but to know it.

Art is an effort to create, beside the real world, a more humane world.

We owe to the Middle Ages the two worst inventions of humanity - romantic love and gunpowder.

People are what you make them. A scornful look turns into a complete fool a man of average intelligence. A contemptuous indifference turns into an enemy a woman who, well treated, might have been an angel.

It is better to teach a few things perfectly than many things indifferently...

Everything that is in agreement with our personal desires seems true; everything that is not puts us in a rage.

Inspiration in matters of taste will not come twice.