There are always difficulties arising that tempt you to believe your critics are right.
Even in the mud and scum of things, something always, always sings.
The religions are obsolete when the reforms do not proceed from them.
The cold, inconsiderate of persons, tingles your blood, benumbs your feet, freezes a man like an apple.
Knowledge is the antidote to fear
[on Thoreau:] For not a particle of respect had he to the opinions of any man or body of men, but homage solely to truth itself.