“Homo sapiens, the only creature endowed with reason, is also the only creature to pin its existence on things unreasonable.”

Laughter is the corrective force which prevents us from becoming cranks.

Laughter is, above all, a corrective. Being intended to humiliate, it must make a painful impression on the person against whom it is directed. By laughter, society avenges itself for the liberties taken with it. It would fail in its object if it bore the stamp of sympathy or kindness.

Some other faculty than the intellect is necessary for the apprehension of reality.

The emotion felt by a man in the presence of nature certainly counts for something in the origin of religions.

Is it astonishing that, like children trying to catch smoke by closing their hands, philosophers so often see the object they would grasp fly before them?

Instinct perfected is a faculty of using and even constructing organized instruments; intelligence perfected is the faculty of making and using unorganized instruments.

Wherever anything lives, there is, open somewhere, a register in which time is being inscribed.

Divine love is not something belonging to God: it is God Himself.

It seems that laughter needs an echo.

Our laughter is always the laughter of a group.

There is nothing in philosophy which could not be said in everyday language.

I cannot escape the objection that there is no state of mind, however simple, that does not change every moment.

Religion is to mysticism what popularization is to science.

Spirit borrows from matter the perceptions on which it feeds and restores them to matter in the form of movements which it has stamped with its own freedom.

Action on the move creates its own route, creates to a very great extent the conditions under which it is to be fulfilled and thus baffles all calculation.

We regard intelligence as man’s main characteristic and we know that there is no superiority which intelligence cannot confer on us, no inferiority for which it cannot compensate.

To count – really and truly to count – a woman must have goodness or brains.

It is essential to understand our brains in some detail if we are to assess correctly our place in this vast and complicated universe we see all around us.

If I’m not writing about myself, then I sit down with people I really dig writing with and throw ’em out and see if something sticks. Their brain plus mine hopefully will make something interesting and cool and it will just snowball and we’ll have a unique song by the end of it.

The brain may take advice, but not the heart.

My two fingers on a typewriter have never connected with my brain. My hand on a pen does. A fountain pen, of course. Ball-point pens are only good for filling out forms on a plane.

Your brain has the power to modify your pain perception.

She is too fond of books, and it has turned her brain.

Where the heart lies, let the brain lie also.