I can't understand why people are frightened of new ideas. I'm frightened of the old ones.
我不明白为什么人们害怕新想法。我害怕的是旧的想法。
注意是意识的聚光灯。
数学的目标是理解我们观察到的现象背后的结构。
We must keep learning to keep up with the times.
What would you do if you weren't afraid?
思维在于设想、实现结构特征和结构要求。