Part of what you must learn is how to handle mistakes and new facts that change the odds.Life, in part, is like a poker game wherein you have to learn to quit sometimes when holding a much-loved hand.

One is not struck by the truth until prompted quite accidentally by some external event.

解释：栋梁不厚实，就不能承受房屋的重量。最重要的莫过于国事，对于栋梁人才来说，最重要的莫过于德行。