Their confidence in themselves inspires the confidence of others.

When Caesar was at sea, and a storm began to rage, the captain of the ship which carried him became unmanned by fear.

"What art thou afraid of ?" cried the great captain; "thy vessel carries Caesar!" The courage of the brave man is contagious, and carries others along with it.

His stronger nature awes weaker natures into silence, or inspires them with his own will and purpose.
The persistent man will not be baffled or repulsed by opposition.
Diogenes, desirous of becoming the disciple of Antisthenes, went and offered himself to the cynic.

He was refused.