This entry relates to the physical concept of speed; for the film, see Speed (1994 film)

Speed is the rate of motion, or equivalently the rate of change in position, often expressed as distance d traveled per unit of time t.

Quotes

• But the speed was power, and the speed was joy, and the speed was pure beauty.
  • Richard Bach, Jonathan Livingston Seagull (1970).

• In Einstein’s corrected formula m has the value ${\displaystyle m={\frac ((m}_{0)){\sqrt {1-v^{2}/c^{2))))}$ where the “rest mass” m₀ represents the mass of a body that is not moving and c is the speed of light, which is about 3×10⁵ km⋅sec⁻¹ or about 186,000 mi⋅sec⁻¹.
  • Richard Feynman, The Feynman Lectures on Physics, Vol. I, Ch. 15. The Special Theory of Relativity

• LT Pete "Maverick" Mitchell: I feel a need… a need for speed.
  • Jim Cash, Jack Epps, Jr. Top Gun [1]

• Be wise with speed;
  A fool at forty is a fool indeed.
  • Edward Young, Love of Fame, satire ii, line 282.

• Ares (The God of War) hates those who hesitate.
  • Heraclidæ (c 428 BC) line 722.
  • Euripides Alternate translation : Ares hates the sluggard most of all. (translated by David Kovacs)

• It would be relevant … to point out the sinister part played by speed, by belief in speed as a value, by, in a word, a kind of impatience that has had a profound effect in changing even the very rhythms of the life of the spirit for the worse.
  • Gabriel Marcel, Man Against Mass Society (1952), p. 144

• Ease and speed in doing a thing do not give the work lasting solidity or exactness of beauty.
  • Plutarch, Life of Pericles.

• Speed has never killed anyone. Suddenly becoming stationary, that's what gets you.
  • Jeremy Clarkson, Top Gear

• Speed is the essence of war. Take advantage of the enemy's unpreparedness; travel by unexpected routes and strike him where he has taken no precautions.
  • Sun Tzu, The Art of War