To recognize that the greatest error is not to have tried and failed, but that in trying, we did not give it our best effort.

To recognize that the greatest error is not to have tried and failed, but that in trying, we did not give it our best effort.

认识到最大的错误不是尝试过又失败，而是在尝试的过程中，我们没有尽最大的努力。

-- Gene Kranz 克兰兹