“When you sit with a nice girl for two hours you think it's only a minute, but when you sit on a hot stove for a minute you think it's two hours. That's relativity.”
(Attributed to Einstein but there is evidence suggesting that it was a reporter paraphrasing him in a newspaper story circa 1927).
These have important Historical Value
I personally use the first one myself.. No, I don't fight or engage in battle It is when I come upon a problem that needs to be solved I use that phrase
"I have not yet begun to fight!" John Paul Jones in battle 1779
"Give me liberty, or give me death!" Patrick Henry March 23, 1775