James Watt

Every experiment is a lesson.

The centrifugal governor regulates with precision.

Knowledge is the parent of power.

I built my first model when I was young.

Efficiency is the key to progress.

The world owes much to the mechanic.

A good instrument is worth a thousand words.

The sun's rays are the ultimate source.

Perseverance conquers all difficulties.

The steam engine will change the face of the earth.

I regret only that I have but one life to give to invention.

Mathematics is the language of the engineer.

Innovation springs from necessity.

The pump is the heart of the engine.

Friendship is the greatest invention of all.

Heat and motion are convertible.

Age brings wisdom, but youth brings energy.

The lathe is indispensable.

Curiosity is the engine of discovery.

Success is measured in useful work done.