在数学中，提出问题的艺术必须比解决问题更有价值。
应该引导孩子通过自己的活动去发现真理。
But the eyes are blind. One must look with the heart.
The future is no longer what it was.
思想的任务不是再现现实，而是回应存在的召唤。
A novel is a long answer to a question you can’t quite formulate.
To be under occupation is to be reminded of death at every moment.
"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."