When trying a case [the famous judge] L. Cassius never failed to inquire "Who gained by it?" Man's character is such that no one undertakes crimes without hope of gain.

He only employs his passion who can make no use of his reason.

Not in opinion but in nature is law founded.

It is as hard for the good to suspect evil, as it is for the bad to suspect good.

It is necessary for a Senator to be thoroughly acquainted with the constitution; and this is a knowledge of the most extensive nature; a matter of science, of diligence, of reflection, without which no Senator can possibly be fit for his office.

Let the soldier yield to the civilian.

For there is but one essential justice which cements society, and one law which establishes this justice. This law is right reason, which is the true rule of all commandments and prohibitions. Whoever neglects this law, whether written or unwritten, is necessarily unjust and wicked.