The person is a poor judge who by an action can be disgraced more in failing than they can be honored in succeeding.

In all superstition wise men follow fools.

In one and the same fire, clay grows hard and wax melts.

The only hope [of science] ... is in genuine induction.

If we are to achieve things never before accomplished we must employ methods never before attempted

But men must know, that in this theatre of man's life it is reserved only for God and angels to be lookers on.

Choose the life that is most useful, and habit will make it the most agreeable.