I am not a fast thinker at all. I have to spend a lot of time before I can understand something.
当你停止学习的那一刻,你就停止了成长。
There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.
You have to expect things of yourself before you can do them.