“The destruction of the foundations necessarily brings down the whole edifice.”

When I turn my mind’s eye upon myself, I understand that I am a thing which is incomplete and dependent on another and which aspires without limit to ever greater and better things…

Doubt is the origin of wisdom.

It is not enough to have a good mind; the main thing is to use it well.

I took especially great pleasure in mathematics because of the certainty and the evidence of its arguments.

Mind and soul of the man is entirely different from the body.

So far, I have been a spectator in this theatre which is the world, but I am now about to mount the stage, and I come forward masked.

With me, everything turns into mathematics.

In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things

Except our own thoughts, there is nothing absolutely in our power.

I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.

In order to improve the mind, we ought less to learn than to contemplate.

I think; therefore I am.

To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

Bad books engender bad habits, but bad habits engender good books.

Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

We can never know, for the good reason that writing is the destruction of every voice, every origin. Writing is that neuter, that composite, that obliquity into which our subject flees, the black-and-white where all identity is lost, beginning with the very identity of the body that writes.

Suicide is not an answer, it’s destruction.

Love is a flame that burns everything other than itself. It is the destruction of all that is false and the fulfillment of all that is true.

For me, love carries the seeds of its own destruction.

Only when the last tree has died and the last river been poisoned and the last fish been caught will we realise we cannot eat money.

These scars bear witness but whether to repair or to destruction I no longer know.

Nature allows Destruction nor collapse of aught, until Some outward force may shatter by a blow, Or inward craft, entering its hollow cells, Dissolve it down.

This will make the transition happen with less death and destruction.