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

It’s easier to be original and foolish than original and wise.

If you have a clear idea of a soul, you will have a clear idea of a form; for it is of the same genus, though a different species.

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.

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.

I never took a day off in my twenties. Not one.

We look for people who are passionate about something. In a way, it almost doesn’t matter what you’re passionate about.

If you double the number of experiments you do per year you’re going to double your inventiveness.

It is too much to hope that I shall keep up my success. I don’t ask for that. All I shall do is my best- and hope.

Success only means doing something sincerely and wholeheartedly.

My only concern was to get home after a hard day’s work.

Make your work to be in keeping with your purpose.

I never did anything worth doing by accident, nor did any of my inventions come by accident; they came by work.