The most important skill in mathematics is the ability to think clearly.
宇宙正在膨胀，而且膨胀的速度在加快。
The only way to do great work is to love what you do.
［厚葬使］已经获得的财产,都拿来埋掉了；丧后本当产生的财产,又被长时间的禁止所消除。
韧性不仅关乎在风暴中生存，更关乎风暴后的繁荣。