It is not the lie that passeth through the mind, but the lie that sinketh in and settleth in it, that doth the hurt.

This is certain, that a man that studieth revenge keeps his wounds green, which otherwise would heal and do well.

The essential form of knowledge... is nothing but a representation of truth: for the truth of being and the truth of knowing are one, differing no more than the direct beam and the beam reflected.

For first of all we must prepare a Natural and Experimental History, sufficient and good; and this is the foundation of all; for we are not to imagine or suppose, but to discover, what nature does or may be made to do.

Love and envy make a man pine, which other affections do not, because they are not so continual.

Books will speak plain when counselors blanch.

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.