A gem is not polished without rubbing, nor is a man perfected without trials.

Enthusiasm is faith set on fire.

Pleasure is by no means an infallible critical guide, but it is the least fallible.

Every age thinks its battle the most important of all.

Beholdthe turtle. He makes progress only when he sticks his neck out.

Bythree methods we may learn wisdom: first, by reflection, which is noblest;second, imitation, which is easiest; and third by experience, which is thebitterest.

You gotto be very careful if you don't know where you're going, because you mightnot get there.

Thesearch for someone to blame is always successful.

Thoroughnesscharacterizes all successful men. Genius is the art of taking infinite pains.All great achievement has been characterized by extreme care, infinitepainstaking, even to the minutest detail.

The leaders who work most effectively, it seems to me,never say ‘I.’ And that's not because they have trainedthemselves not to say ‘I.’ They don't think ‘I.’ Theythink ‘we’; they think ‘team.’ They understand theirjob to be to make the team function. They

Power is something of which I am convinced there is no innocencethis side of the womb.

Even a dog knows the difference between being stumbledover and being kicked.