“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.”

Holy Writ was intended to teach men how to go to Heaven not how the heavens go.

Philosophy itself cannot but benefit from our disputes, for if our conceptions prove true, new achievements will be made; if false, their refutation will further confirm the original doctrines.

I believe that the intention of Holy Writ was to persuade men of the truths necessary to salvation; such as neither science nor other means could render credible, but only the voice of the Holy Spirit.

I give infinite thanks to God, who has been pleased to make me the first observer of marvelous things.

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.

Choose to achieve perfection. We won’t achieve it because perfection is impossible. But by pursuing perfection, we will achieve excellence.

The same man cannot well be skilled in everything; each has his special excellence.

I’m a perfectionist, so my bossiness definitely comes out.

What is called a reason for living is also an excellent reason for dying.

People cannot become truly knowledgeable without being excellent readers.

Excellence is not a gift, but a skill that takes practice.

Perfection is not attainable, but if we chase perfection we can catch excellence.

I know you won’t believe me, but the highest form of Human Excellence is to question oneself and others.