Moral courage is higher and a rarer virtue than physical courage.

I learned that moral courage is harder than physical courage.

Patience, that blending of moral courage with physical timidity.

Stand with anyone that is right; stand with him while he is right and part with him when he goes wrong.

Physical bravery is an animal instinct; moral bravery is much higher and truer courage.

It is highly significant and indeed almost a rule, that moral courage has its source in such identification through one's own sensitivity with suffering of one's fellow human beings." (p. 16-17)