“A well adjusted person is one who makes the same mistake twice without getting nervous.”

“The unwritten motto of United States Robot and Mechanical Men Corp. was well-known: “No employee makes the same mistake twice. He is fired the first time.””

“Mistake is a mistake only if you make it twice…”

“After you think, you act. After you act, you learn. Make decisions, but decisions will have risks of mistakes. But make sure you avoid disastrous mistakes and avoid making the same mistake twice.”

“I don't want to make the same mistake twice. I don't want to tell myself it's over when it's not.”

“Journalists who make mistakes get sued for libel; historians who make mistakes get to publish a revised edition.”

“Sometimes the only way to fix a mistake- is to make it twice.”

“It is impossible to love the same person twice.”

“The only person who never makes mistakes is the person who never does anything.”

“Wise is the one who learns from another´s mistakes. Less wise is the one who learns only from his own mistakes. The fool keeps making the same mistakes again and again and never learns from them.”