It is rarer to know when to think than how.
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.
The deontologist blindfolds himself, lest his eyes deceive him.
Philosophers are careful not to derive ought from is, less so about deriving is from ought.
Polytheism is pre-scientific: monotheism is anti-scientific.
What is not indexed may as well not exist.
Small men flee from a generalization like small animals from a sudden noise — it might not mean danger, but why take a chance?
Nothing so distresses the disciple as the master changing his mind.
So much to unlearn, so little time.
More is lost in translation from thought to page than from one language to another.
Bad to take obscurity for profundity: worse to take clarity for shallowness.