世界就是它本来的样子;那些一无是处、自甘堕落的人,在这个世界上没有立足之地。
I think it's important to have a positive attitude and to be optimistic.
我认为最重要的是对自己诚实,对周围的人诚实。
The human body is the best picture of the human soul.
In science, as in life, the important things are rarely simple or obvious.