每个数学问题都有解决方案,但并非每个解决方案都显而易见。
No matter what difficulties I encounter, I will continue to sing.
树叶的低语比董事会的辩论更有智慧。
I'm not a saint, I'm a sinner.
The first duty of a revolutionary is to be educated.
所有严肃的艺术都试图理解生活。