化学的乐趣在于看到不可见的东西变得可见。
The joy of chemistry is in seeing the invisible become visible.
The true measure of success is the positive impact you have on others.
There are 360 degrees, so why stick to one?
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
A sad thing in life is when you meet someone who means a lot to you only to find out in the end that it was never meant to be and you just have to let go.