Prudent and active men, who know their strength and use it with limit and circumspection, alone go far in the affairs of the world.

All professional men are handicapped by not being allowed to ignore things which are useless.

The further one advances in experience, the closer one comes to the unfathomable; the more one learns to utilize experience, the more one recognizes that the unfathomable is of no practical value.

Lord Byron is only great as a poet; as soon as he reflects he is a child.

We see only what we know.

Make the most of time, it flies away so fast; yet method will teach you to win time.

There is no permanence in doubt; it incites the mind to closer inquiry and experiment, from which, if rightly managed, certainty proceeds, and in this alone can man find thorough satisfaction.