今天我们种下的每一粒种子都是对后代的承诺。
夜晚是一位伟大的老师,但很少有人愿意学习。
人生能有一个知己就足够了,这一生应当把他当作同胞兄弟一样看待
The hardest thing to learn in life is which bridge to cross and which to burn.
It is the duty of the inventor to make his work as useful and as accessible as possible to the public.