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。
We are all fools in love.
Doubt is not a pleasant condition, but certainty is an absurd one.
The pain you feel today is the strength you feel tomorrow.
量子密码学不是关于保守秘密,而是知道何时有人试图窃取它们。
自信是最好的装扮,展现它并拥有它。