“Philosophy is written in this grand book, the universe, which stands continually open to our gaze.”

We must say that there are as many squares as there are numbers.

If I were again beginning my studies, I would follow the advice of Plato and start with mathematics.

Measure what can be measured, and make measurable what cannot be measured.

Facts which at first seem improbable will, even on scant explanation, drop the cloak which has hidden them and stand forth in naked and simple beauty.

Mathematics is the language in which God has written the universe.

There are those who reason well, but they are greatly outnumbered by those who reason badly.

If you could see the earth illuminated when you were in a place as dark as night, it would look to you more splendid than the moon.

Long experience has taught me this about the status of mankind with regard to matters requiring thought.

Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.

Nonetheless, it moves.

I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments and demonstrations.

By denying scientific principles, one may maintain any paradox.

Names and attributes must be accommodated to the essence of things, and not the essence to the names, since things come first and names afterwards.

The earth, in fair and grateful exchange, pays back to the moon an illumination similar to that which it receives from her throughout nearly all the darkest gloom of the night.

Science proceeds more by what it has learned to ignore than what it takes into account.

In the future, there will be opened a gateway and a road to a large and excellent science into which minds more piercing than mine shall penetrate to recesses still deeper.

Politics is not a bad profession. If you succeed there are many rewards, if you disgrace yourself you can always write a book.

If my books can help children become readers then I feel I have accomplished something important.

I always take time to read, and try to read at least one book per week!

The books transported her into new worlds and introduced her to amazing people who lived exciting lives.

He never went out without a book under his arm, and he often came back with two.

It has always been a happy thought to me that the creek runs on all night, new every minute, whether I wish it or know it or care, as a closed book on a shelf continues to whisper to itself its own inexhaustible tale.

How many a man has dated a new era in his life from the reading of a book.

Books swept me away, this way and that, one after the other; I made endless vows according to their lights for I believed them.