There needs, for example, the common courage to be honest--the courage to resist temptation--the courage to speak the truth--the courage to be what we really are, and not to pretend to be what we are not--the courage to live honestly within our own means, and not dishonestly upon the means of others.
A great deal of the unhappiness, and much of the vice, of the world is owing to weakness and indecision of purpose--in other words, to lack of courage.

Men may know what is right, and yet fail to exercise the courage to do it; they may understand the duty they have to do, but will not summon up the requisite resolution to perform it.

The weak and undisciplined man is at the mercy of every temptation; he cannot say "No," but falls before it.

And if his companionship be bad, he will be all the easier led away by bad example into wrongdoing.
Nothing can be more certain than that the character can only be sustained and strengthened by its own energetic action.

The will, which is the central force of character, must be trained to habits of decision--otherwise it will neither be able to resist evil nor to follow good.