The concept of progress is inseparable from the concept of catastrophe.
進(jìn)步的概念與災(zāi)難的概念不可分割。
Forests are the lungs of the earth—let's not suffocate them.
It is sadder to find the past again and find it inadequate to the present than it is to have it elude you and remain forever a harmonious conception of memory.
To preserve is to transform.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.