When a doubt is once received, men labour rather how to keep it a doubt still, than how to solve it; and accordingly bend their wits.

Books must follow sciences, and not sciences books.

I have often thought upon death, and I find it the least of all evils.

When a traveler returneth home, let him not leave the countries where he hath traveled altogether behind him.

For knowledge, too, is itself power.

Nor do apophthegms only serve for ornament and delight, but also for action and civil use, as being the edge-tools of speech which cut and penetrate the knots of business and affairs: for occasions have their revolutions, and what has once been advantageously used may be so again, either as an old thing or a new one.

There is nothing makes a man suspect much, more than to know little.