The time at our disposal each day is elastic; the passions we feel dilate it, those we inspire contract it; and habit fills up what remains.
Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
每一个挑战都是学习和成长的机会。
高分子化学的引入开辟了一个新的材料世界，其重要性可与发现新大陆相媲美。
千丈长堤，可能因为蝼蚁的洞穴而溃决；百尺高楼，可能因为烟囱的缝隙冒烟而焚毁。
预测未来的最好方法就是创造未来。