Activity Quote by Martin Farquhar Tupper

Invention requires an excited mind; execution, a calm one.

— Johann Peter Eckermann

Everything that we call Invention or Discovery in the higher sense of the word is the serious exercise and activity of an original feeling…

— Johann Wolfgang von Goethe

For our intellectual spirit has the power of fire in itself. For no other purpose is it sent by God to the earth than…

— Nicholas of Cusa

An idea is like a spark to creativity, which turns to a wild conflagration of thoughts, burning every ignorance. When the fire burns, the…

— Anonymous

Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the…

— Nikola Tesla

Not far from the invention of fire we must rank the invention of doubt.

— Thomas Huxley

Invention presupposes imagination but should not be confused with it.

— Igor Stravinsky

“That ideas should freely spread from one to another over the globe, for the moral and mutual instruction of man, and improvement of his…

— Thomas Jefferson

The work of the inventor consists of conceptualizing, combining, and ordering what is possible according to the laws of nature. This inner working out…

— Friedrich Dessauer

Trying different ways of doing things is what brings invention.

— Terry Mark

The easiest way to discover the purpose of an invention is to ask the creator of it. The same is true for discovering your…

— Rick Warren

The steam-engine I call fire-demon and great; but it is nothing to the invention of fire.

— Thomas Carlyle