“The most perfect society is that whose purpose is the universal and supreme happiness.”

We never have a full demonstration, although there is always an underlying reason for the truth, even if it is only perfectly understood by God, who alone penetrated the infinite series in one stroke of the mind.

The present is big with the future, the future might be read in the past, the distant is expressed in the near.

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

In my judgment an organic machine new to nature never arises, since it always contains an infinity of organs so that it can express, in its own way, the whole universe; indeed, it always contains all past and present times.

But it is the knowledge of necessary and eternal truths which distinguishes us from mere animals, and gives us reason and the sciences, raising us to knowledge of ourselves and God. It is this in us which we call the rational soul or mind.

A great doctor kills more people than a great general.

Philosophy consists mostly of kicking up a lot of dust and then complaining that you can’t see anything.

Imaginary numbers are a fine and wonderful refuge of the divine spirit almost an amphibian between being and non-being.

Why is there anything at all rather than nothing whatsoever?

He who hasn’t tasted bitter things hasn’t earned sweet things.

We live in the best of all possible worlds.

All things in God are spontaneous.

Every present state of a simple substance is the natural consequence of its preceding state, in such a way that its present is big with its future.

Music is a hidden arithmetic exercise of the soul, which does not know that it is counting.

Music is the pleasure the human mind experiences from counting without being aware that it is counting.

Nothing is accomplished all at once, and it is one of my great maxims, and one of the most completely verified, that Nature makes no leaps: a maxim which I have called the law of continuity.

True beauty is knowing who you are and believing in yourself. Happy people know their purpose, have courage to fight for it and strength to keep going.

My happy weight changes. Sometimes I eat more; sometimes I play more. I’ll be different sizes all the time.

I finally figured it out, I finally figured out how to find some peace and happiness. I sure would hate for the man upstairs to take me now. But at least I did figure it out.

What we are really living for is the experience of life, both the pain and the pleasure.

When you find yourself in a position to help someone, be happy because Allah is answering that person’s prayer through you.

Jesus promised his disciples three things—that they would be completely fearless, absurdly happy, and in constant trouble.

Life is essentially a cheat and its conditions are those of defeat; the redeeming things are not happiness and pleasure but the deeper satisfactions that come out of struggle.

The ultimate goal of all goals is to be happy. If you want to be happy make someone else happy.