Only that which is to be sought for its own sake is truly moral (honestum).

Nothing is fitting when Minerva is unwilling — that is, when nature opposes and resists.

The first duty of justice is to harm no one.

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

-- William James

Think on the shop floor; act on the shop floor.

-- Sakichi Toyoda

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