Achievement brings its own anticlimax.

All achievement, all earned riches, have their beginning in an idea.

All great achievements require time.

Don't mistake activity with achievement.

Happiness... it lies in the joy of achievement, in the thrill of creative effort.

I like university professors, but you know, we shouldn't hold them up as the high-water mark of all human achievement. They're just a form of life, another form of life.

Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

The starting point of all achievement is desire.

The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat.

The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-nes

You are not here merely to make a living. You are here in order to enable the world to live more amply, with greater vision, with a finer spirit of hope and achievement. You are here to enrich the world, and to impoverish yourself if you forget the errand.