“What is is what must be.”

There are also two kinds of truths: truth of reasoning and truths of fact.

..This is why the ultimate reason of things must lie in a necessary substance, in which the differentiation of the changes only exists eminently as in their source; and this is what we call God.

Take what you need, do what you should, you will get what you want.

To love is to find pleasure in the happiness of others.

The art of discovering the causes of phenomena, or true hypotheses, is like the art of deciphering, in which an ingenious conjecture often greatly shortens the road.

There never is absolute birth nor complete death, in the strict sense, consisting in the separation of the soul from the body. What we call births are developments and growths, while what we call deaths are envelopments and diminutions.

The past is pregnant with the present.

Everything that is possible demands to exist.

I have said more than once, that I hold space to be something purely relative, as time; an order of coexistences, as time is an order of successions.

I am convinced that the unwritten knowledge scattered among men of different callings surpasses in quantity and in importance anything we find in books, and that the greater part of our wealth has yet to be recorded.

The knowledge which we have acquired ought not to resemble a great shop without order, and without an inventory; we ought to know what we possess, and be able to make it serve us in need.

Each portion of matter may be conceived of as a garden full of plants, and as a pond full of fishes. But each branch of the plant, each member of the animal, each drop of its humors, is also such a garden or such a pond.

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.

I was walking down the street with my friend and he said ‘I hear music,’ as though there’s any other way to take it in. ‘You’re not special. That’s how I receive it too, I tried to taste it, but it did not work’.

The way of truth is like a great highway. It is not hard to find.

If I believe in God and life after death and you do not, and if there is no God, we both lose when we die. However, if there is a God, you still lose and I gain everything.

We are not going in circles, we are going upwards. The path is a spiral; we have already climbed many steps.

It is very easy to conform to what your society or your parents and teachers tell you. That is a safe and easy way of existing; but that is not living; To live is to find out for yourself what is true.

A picture’s beauty does not depend on the things portrayed in it.

We are at times too ready to believe that the present is the only possible state of things.

The philosophy of the rich and the poor is this: the rich invest their money and spend what is left. The poor spend their money and invest what is left.