“Nothing is more important than to see the sources of invention which are, in my opinion more interesting than the inventions themselves.”

I am so in favor of the actual infinite that instead of admitting that Nature abhors it, as is commonly said, I hold that Nature makes frequent use of it everywhere, in order to show more effectively the perfections of its Author.

The words ‘Here you can find perfect peace’ can be written only over the gates of a cemetery.

The world is not a machine. Everything in it is force, life, thought.

It is God who is the ultimate reason things, and the Knowledge of God is no less the beginning of science than his essence and will are the beginning of things.

Indeed in general I hold that there is nothing truer than happiness, and nothing happier and sweeter than truth.

To love is to place happiness in the heart of another.

It is necessary to believe that the mixture of evil has produced the greatest possible good: otherwise the evil would not have been permitted.

The present is saturated with the past and pregnant with the future.

What is is what must be.

Justice is charity in accordance with wisdom.

To love is to be delighted by the happiness of someone, or to experience pleasure upon the happiness of another. I define this as true love.

I hold that it is only when we can prove everything we assert that we understand perfectly the thing under consideration.

I do not conceive of any reality at all as without genuine unity.

Nature does not make leaps.

Taking mathematics from the beginning of the world to the time when Newton lived, what he had done was much the better half.

Nothing is necessitated whose opposite is possible.

Ben Franklin may have discovered electricity- but it is the man who invented the meter who made the money.

All churches, whether Jewish, Christian or Muslim, are simply human inventions. They use fear to enslave us. They are a monopoly for power and profit.

The classy gangster is a Hollywood invention.

I am an actor, and I would like to reinvent myself through every character that I portray.

I wish you could invent some means to make me at all happy without you. Every hour I am more and more concentrated in you; everything else tastes like chaff in my mouth.

The alphabet was a great invention, which enabled men to store and to learn with little effort what others had learned the hard way-that is, to learn from books rather than from direct, possibly painful, contact with the real world.

I love reinventing my music and myself as well, and that’s something my fans love about me.

Take man’s most fantastic invention- God. Man invents God in the image of his longings, in the image of what he wants to be, then proceeds to imitate that image, vie with it, and strive to overcome it.