任务必须是困难的,因为只有困难才能激发高尚的心灵。
"Every stroke of the brush is a decision that shapes eternity."
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
我从不考虑投丢关键球的后果……当你考虑后果时,你总是想到负面的结果。