Naught so sweet as melancholy.

It is most true, stylus virum arguit, - our style betrays us.

Good science requires distinguishing between "felt knowledge" and knowledge arising out of testable observations. "I am sure" is a mental sensation, not a testable conclusion. Put hunches, gut feelings, and intuitions into the suggestion box. Let empiric methods shake out the good from bad suggestions.

Temperance is a bridle of gold; he, who uses it rightly, is more like a god than a man.

Hope and patience are two sovereign remedies for all, the surest reposals, the softest cushions to lean on in adversity.

Naught so sweet as melancholy.

Certainty and similar states of ‘knowing what we know’ arise out of involuntary brain mechanisms that, like love or anger, function independently of reason.