“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.”

Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.

I keep the subject of my inquiry constantly before me, and wait till the first dawning opens gradually, by little and little, into a full and clear light.

The way to chastity is not to struggle directly with incontinent thoughts but to avert the thoughts by some imployment, or by reading, or meditating on other things.

The more time and devotion one spends in the worship of false gods, the less he is able to spend in that of the true One.

It is reasonable that forces directed toward bodies depend on the nature and the quantity of matter of such bodies, as happens in the case of magnetic bodies.

The instinct of brutes and insects can be the effect of nothing else than the wisdom and skill of a powerful ever-living agent.

No great discovery was ever made without a bold guess.

Truth is the offspring of silence and meditation.

I consider my greatest accomplishment to be lifelong celibacy.

It is the weight, not numbers of experiments that is to be regarded.

I have a fundamental belief in the Bible as the Word of God, written by those who were inspired. I study the Bible daily.

Nature is pleased with simplicity. And nature is no dummy.

Nature is very consonant and conformable with herself.

As a blind man has no idea of colors, so we have no idea of the manner by which the all-wise God perceives and understands all things.

To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.

Plato is my friend, Aristotle is my friend, but my greatest friend is truth.

Fear only the will of God and you will have no cause to fear anyone else.

I simply want to live; to cause no evil to anyone but myself.

Human suffering has been caused because too many of us cannot grasp that words are only tools for our use.

Whites would accuse you of causing trouble when all you were doing was acting like a normal human being instead of cringing.

The thing worse than rebellion is the thing that causes rebellion.

Fortunate is he whose mind has the power to probe the causes of things and trample underfoot all terrors and inexorable fate.

I cannot cause light; the most I can do is try to put myself in the path of its beam. It is possible, in deep space, to sail on solar wind. Light, be it particle or wave, has force: you rig a giant sail and go. The secret of seeing is to sail on solar wind.

Poverty is not the root cause of crime.