The past is always present, whether we acknowledge it or not.
无论我们承认与否，过去始终存在。
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
The greatest discoveries come from asking the simplest questions.
我不怕被超越，因为我会一直进步。
生活上，不能吃光，不能穿光，说话时留有余地；处事上，又要懂得，又要做得，遇逆境还要善于忍耐。