The greatest happiness is to despise what deserves to be despised.
I believe in the power of dreams.
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.
科学的发展既需要个人的努力,也需要社会的支持。
Children are the most honest critics; they will tell you exactly what they think.