We are slow to believe that which if believed would hurt our feelings.

All things human hang by a slender thread; and that which seemed to stand strong suddenly falls and sinks in ruins.

A new idea is delicate. It can be killed by a sneer or a yawn; it can be stabbed to death by a quip and worried to death by a frown on the right man's brow.

Fas est ab hoste doceri._x000D_ One should learn even from one's enemies.

Be patient and tough; someday this pain will be useful to you.

The end doesn't justify the means.