Let flattery, the handmaid of the vices, be far removed .

The foundation of justice is good faith.

There is in fact a true law namely right reason, which is in accordance with nature, applies to all men and is unchangeable and eternal. ... It will not lay down one rule at Rome and another at Athens, nor will it be one rule today and another tomorrow. But there will be one law eternal and unchangeable binding all times and upon all peoples.

What is becoming is honest, and whatever is honest must always be becoming.

Should this my firm persuasion of the soul's immortality prove to be a mere delusion, it is at least a pleasing delusion, and I will cherish it to my last breath.

A letter does not blush.

No liberal man would impute a charge of unsteadiness to another for having changed his opinion.