“To arrive at the simplest truth requires years of contemplation.”

If I have seen further than others, it is by standing upon the shoulders of giants.

To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.

To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.

A man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding.

Therefore to the same natural effects we must, as far as possible, assign the same causes.

Genius is patience.

Whence arises all that order and beauty we see in the world?

Nothing can be divided into more parts than it can possibly be constituted of. But matter (i.e. finite) cannot be constituted of infinite parts.

I do not think that this [the universe] can be explained only by natural causes, and are forced to impute to the wisdom and ingenuity of an intelligent.

Christ comes as a thief in the night, & it is not for us to know the times & seasons which God hath put into his own breast.

Pictures, propagated by motion along the fibers of the optic nerves in the brain, are the cause of vision.

I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have not yet assigned a cause to gravity.

Absolute, true and mathematical time, of itself, and from its own nature flows equably without relation to anything external.

The proper method for inquiring after the properties of things is to deduce them from experiments.

He who thinks half-heartedly will not believe in God; but he who really thinks has to believe in God.

God created everything by number, weight and measure.

Yesterday is dead, tomorrow hasn’t arrived yet. I have just one day, today, and I’m going to be happy in it.

All you have to do is to pay attention; lessons always arrive when you are ready, and if you can read the signs, you will learn everything you need to know in order to take the next step.

Take my hand. We will walk. We will only walk. We will enjoy our walk without thinking of arriving anywhere.

Events do not just happen, but arrive by appointment.

There are people in the world for whom “coming along” is a perpetual process, people who are destined never to arrive.

The problem with waiting until tomorrow is that when it finally arrives, it is called today.

A good traveler has no fixed plans and is not intent on arriving.

Almost all enduring success comes to people after they are forty. For seldom does mature judgment arrive before then.