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.

Illness is the doctor to whom we pay most heed; to kindness, to knowledge, we make promise only; pain we obey.

It is in moments of illness that we are compelled to recognize that we live not alone but chained to a creature of a different kingdom, whole worlds apart, who has no knowledge of us and by whom it is impossible to make ourselves understood: our body.

The time at our disposal each day is elastic; the passions we feel dilate it, those that inspire us shrink it, and habit fills it.

We are healed from suffering only by experiencing it to the full.

If a little dreaming is dangerous, the cure for it is not to dream less but to dream more, to dream all the time.

Three-quarters of the sicknesses of intelligent people come from their intelligence. They need at least a doctor who can understand this sickness.

Like many intellectuals, he was incapable of saying a simple thing in a simple way.

Let us leave pretty women to men devoid of imagination.

We are healed from suffering only by experiencing it to the full.

Let us be grateful to people who make us happy, they are the charming gardeners who make our souls blossom.

Love is space and time measured by the heart.

Everything great in the world comes from neurotics. They alone have founded our religions and composed our masterpieces.

We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us.

A powerful idea communicates some of its strength to him who challenges it.

We must never be afraid to go too far, for truth lies beyond.

The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

Happiness serves hardly any other purpose than to make unhappiness possible.

Happiness is beneficial for the body, but it is grief that develops the powers of the mind.