“Am I so tied to a body and senses that I am incapable of existing without them?”

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.

Our bodies are molded rivers.

The best thing about the sciences is their philosophical ingredient, like life for an organic body. If one dephilosophizes the sciences, what remains left? Earth, air, and water.

We touch heaven when we lay our hand on a human body!

There is but one temple in the universe, and that is the body of man.

If you wish to read the story of my people look no further than my body.

Process attraction through the soul, so the body won’t be fooled by it.

I’m not going to freeze my body. One life is enough for me. Some people take this gamble. That someone will be able to bring them back in the future. I’m not going to do it.

Sometimes I don’t like my thighs or stomach, but whenever I get caught up in that, I always focus on the fact that I’m healthy now.