解释：自己行为不端的人就难以要求别人行为端正，不孝顺父母的人也不能忠于君主。

Do not linger to gather flowers to keep them,but walk on,for flowers will keep themselves blooming all your way.

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

人之有生，不为一已。

"You can't control everything. Sometimes you just need to relax and have faith that things will work out. Let go a little and just let life happen."

农业的成功不仅仅关乎产量，还关乎为后代守护土地的责任。