化学不仅关乎你能制造什么,还关乎你如何制造它。
Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.
When one door is closed, don't you know, another is open.
Quality begins long before the first cut is made - it begins with the right mindset.
每个数学问题都有一个解决方案;有时只是需要时间去找到它。