The man who knows it can't be done counts the risk, not the reward.
Enthusiasm is the great hill-climber.
Genius may have its limitations, but stupidity is not thus handicapped.
God is good, there is no devil but fear.
We will not be dictated to by men with less intelligence, energy, initiative and ambition than we ourselves possess.
Your enemy is one who misunderstands you; why should you not rise above the fog and see his error and respect him for the good qualities you find in him?