The people to fear are not those who disagree with you, but those who disagree with you and are too cowardly to let you know.
To know what is right and not to do it is the worst cowardice.
There are several good protections against temptation, but the surest is cowardice.
Every hard-boiled egg is yellow inside.
Politeness is the art of choosing among one's real thoughts.
People, like bullets, go farthest when they are smoothest.
No person in the world has more courage than the person who can stop after eating one peanut.
Courage is grace under pressure.
Courage is resistance to fear, mastery of fear -- not absence of fear.
Conversation would be vastly improved by the constant use of four simple words: I do not know.