Sometimes I think and other times I am.
It is a law of nature that we defend ourselves from one affection only by means of another.
One had to be a Newton to notice that the moon is falling, when everyone sees that it doesn't fall.
At times I think and at times I am.
The folly of mistaking oneself for an oracle is built right into us.
Talent without genius isn't much, but genius without talent is nothing whatsoever.