Happiness， like unhappiness， is a proactive choice.

"The true measure of success is how you handle failure."

The key to innovation is not just in creating new technologies, but in understanding how to apply them to solve real-world problems.

智能化改造要结合实际，不能盲目跟风。

解释：不通过学习而能自己知道的，不去请教他人而能自己通晓的，从古到今没有这样的事。