To forget is to betray; to remember is to resist.

解释：河水成冰，不是一日的寒冷所致；积土成为高山，不是须臾的工夫就能完成。

你希望成为池塘里的鹅卵石，激起改变的涟漪。

我活得越久，就越遗憾自己知道的太少。

I earnestly wish to point out in what true dignity and human happiness consists.

Mathematics is the foundation upon which we build our understanding of the world, and it is through this understanding that we can solve the most complex problems.