绘画就是作证。
The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.
The beauty of science is that it allows us to explore the unknown and uncover the mysteries of life.
In the end, it is not the years in your life that count, but the life in your years.
The more you give, the more you receive