We must be vigilant and resolutely fight against all enemies, both internal and external.

I have never been able to write a happy play. I can't. I can write a funny play, but I can't write a happy play.

Success is not final, failure is not fatal: It is the courage to continue that counts.

解释：礼仪和敬重是立身处世的基础。

在计算机科学中，我们经常处理那些容易陈述但难以解决的问题。

Be kind，for everyone you meet is fighting a hard battle.

If you’re horrible to me, I’m going to write a song about it, and it won’t be a good one.

"You have to be willing to fail to succeed."

农业的未来在于将传统知识与尖端生物技术相结合。