Theory looks well on paper, but does not amount to anything without practice.

If you believe you can do something, then you can acquire the ability to do it even if you didn't have it in the beginning.

To enjoy a good reputation, give publicly, and steal privately.

Common sense is the knack of seeing things as they are, and doing things as they ought to be done.

[Science is] the literature of truth.

Love is said to be blind, but I know some fellows in love who can see twice as much in their sweethearts as I do.

It is easier to be virtuous than it is to appear so, and it pays better.