Don't quarrel with your parents even if you are on the right.
Courage is knowing what to fear.
Music gives wings to the mind and flight to the imagination.
Opinion is the medium between knowledge and ignorance.
Is it not also true that no physician, in so far as he is a physician, considers or enjoins what is for the physician's interest, but that all seek the good of their patients? For we have agreed that a physician strictly so called, is a ruler of bodies, and not a maker of money, have we not?
A man who is good for anything ought not to calculate the chance of living or dying; he ought only to consider whether in doing anything he is doing right or wrong - acting the part of a good man or of a bad.