Philosophy is true mother of the arts [of science].

Let your desires be ruled by reason.

Cultivation to the mind is as necessary as food to the body.

Even the ablest pilots are willing to receive advice from passengers in tempestuous weather.

Softly! Softly! I want none but the judges to hear me. The Jews have already gotten me into a fine mess, as they have many other gentleman. I have no desire to furnish further grist for their mills.

Those wars are unjust which are undertaken without provocation. For only a war waged for revenge or defence can actually be just.

For nothing is more commendable, nothing more becoming in a preeminently great man than courtesy and forbearance.