Invention lies not in knowledge itself but in the ingenuity to apply it.

Do not think about a hundred things at once; think a hundred times about one thing.

Ask why five times.

Open the shoji screen and look outside; the world is vast.

Act as if what you do makes a difference. It does.

-- William James

Waste no more time arguing about what a good man should be. Be one.

-- Marcus Aurelius

You don't learn to walk by following rules. You learn by doing, and by falling over.

-- Richard Branson

It is hard to retain what you learn unless you practice it.

-- Seneca

An engineer is truly an engineer only when he creates something with his own hands.

-- Sōichirō Honda

Well done is better than well said.

-- Benjamin Franklin