Everyone has his faults which he continually repeats: neither fear nor shame can cure them. – Jean de La Fontaine

When, as we must often do, we fear science, we really fear ourselves. – John Charles Polanyi

A man afraid of death will never play the part of a live man. – Seneca, “On Tranquility of Mind,” translated by Moses Hadas

There is none made so great, but he may both need the help and service, and stand in fear of the power and unkindness, even of the meanest of mortals. – Lucius Annaeus Seneca