You can't let fear stop you from living your life.
教导别人,就是要使其长处得以发扬,使其短处得以遏制。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
My children taught me that love has no limits.
The most important victories are those that come after the hardest defeats.
给定系统中的酸和碱不是绝对的,而是相互关联的。