For friends... do but look upon good Books: they are true friends, that will neither flatter nor dissemble.

It's not what we eat but what we digest that makes us strong; not what we gain but what we save that makes us rich; not what we read but what we remember that makes us learned; and not what we profess but what we practice that gives us integrity.

The only hope [of science] ... is in genuine induction.

A man were better relate himself to a statue or picture than to suffer his thoughts to pass in smother.

He was reputed one of the wise men that made answer to the question when a man should marry? 'A young man not yet, an elder man not at all.'

Reading maketh a full man.

But this is that which will dignify and exalt knowledge: if contemplation and action be more nearly and straitly conjoined and united together than they have been: a conjunction like unto that of the highest planets, Saturn, the planet of rest and contemplation, and Jupiter, the planet of civil society and action.