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.

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent

This principle of nature being very remote from the conceptions of Philosophers, I forbore to describe it in that book, least I should be accounted an extravagant freak and so prejudice my Readers against all those things which were the main designe of the book.

God created everything by number, weight and measure.

No sciences are better attested than the religion of the Bible.

Sir Isaac Newton was asked how he discovered the law of gravity. He replied, "By thinking about it all the time.

I do not feign hypotheses.