But by far the greatest hindrance and aberration of the human understanding proceeds from the dullness, incompetency, and deceptions of the senses; in that things which strike the sense outweigh things which do not immediately strike it, though they be more important. Hence it is that speculation commonly ceases where sight ceases; insomuch that of things invisible there is little or no observation.

Acorns were good until bread was found.

I will never be an old man. To me, old age is always 15 years older than I am.

Knowledge is a rich storehouse for the glory of the Creator and the relief of man's estate.

He that hath wife and children hath given hostages to fortune; for they are impediments to great enterprises, either of virtue or mischief.

The best armor is to keep out of gunshot.

Let every student of nature take this as his rule, that whatever the mind seizes upon with particular satisfaction is to be held in suspicion.