Sanity is less a particular outlook than a practiced aversion to the multifarious forms of crazy.
Operations of thought are like cavalry charges in a battle — they are strictly limited in number, require fresh horses, and must only be made at decisive moments.
Thought-criminals, like regular ones, would escape punishment more often if they could manage not to boast of their exploits.
Humans perceive nothing as accidental, and this is no accident.
We read, and imagine we can write; and write, and imagine we can think.
Schopenhauer remarked that every country derides the customs and habits of other countries, and every country is correct: this is a principle with wide application.
Those who cannot judge what to believe must resort to whom.
Thinking, like plumbing, is something we rarely do for ourselves; but no one imagines that he does his own plumbing.
If your thoughts seem banal to you, it may be because you have lived with them for a long time and grown used to them, or it may be because they are.
Monotheism dies that monism may live.
Just as there are ideas so mad that you must be clever to believe them, so there is behavior so weird that you must be clever to engage in it.