All cruelty springs from weakness.

Although men are accused of not knowing their own weakness, yet perhaps few know their own strength. It is in men as in soils, where sometimes there is a vein of gold which the owner knows not of.

As you simplify your life, the laws of the universe will be simpler; solitude will not be solitude, poverty will not be poverty, nor weakness weakness.

Credulity is the man's weakness, but the child's strength.

Do you really think it is weakness that yields to temptation? I tell you that there are terrible temptations which it requires strength, strength and courage to yield to.

Get it into your head once and for all, my simple and very fainthearted fellow, that what fools call humanness is nothing but a weakness born of fear and egoism; that this chimerical virtue, enslaving only weak men, is unknown to those whose character is formed by stoicism, courage, and philosophy.

I believe the most solemn duty of the American president is to protect the American people. If America shows uncertainty and weakness in this decade, the world will drift toward tragedy. This will not happen on my watch.

If thou wouldn't conquer thy weakness thou must not gratify it.

If we resist our passions, it is more due to their weakness than our strength.

Insincerity is always weakness; sincerity even in error is strength.