The past is a river, and we are all carried by its currents.
The advantage of poetry over life is that poetry, if it is sharp enough, may last.
A mathematician's work is mostly a solitary pursuit, but it is also deeply collaborative.
相关系数的可能误差不是可以从第一原理推导出来的东西，而是必须通过经验找到的。
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
The Indian Revolution has been postponed indefinitely.
"The writer's duty is to tell the truth, even when it is uncomfortable."