Every policy has both seen and unseen consequences, and what is unseen dwarfs what is seen.
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.
Seeing is no longer believing; believing remains seeing.
No one will ever know what it is like to be stupid.
The choice is better thoughts or our own.
I would be more willing to speculate on the motives of others if I had a clearer understanding of my own.
To act one must disregard some of the possible consequences of one’s actions: this we call morality.
Intelligence does not improve one’s thoughts, but it does increase their variance.
Strenuous objections to the parts show acquiescence in the whole.
We let ideas rattle around in our heads, and call it thinking.
Bad analogies make no end of mischief, none more than mind and body.