The people who are crazy enough to think they can change the world are the ones who do.
No one is an artist unless he carries his picture in his head before painting it.
Chemistry is the silent architect of our everyday lives.
The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.
真正的旅程不是看新的风景,而是拥有新的眼光。