Testing Quotes

"Beware of bugs in the above code; I have only proved it correct, not tried it."

Donald Knuth

“Fear not: for God is come to prove you, and that his fear may be before your faces, that ye sin not.”

The Bible (Exodus 20:20)

“Testing shows the presence, not the absence of bugs.”

Edsger Dijkstra

“Courage is not simply one of the virtues, but the form of every virtue at the testing point.”