教学的全部艺术，不过是唤醒年轻人天生的好奇心，以便日后满足它。
The whole art of teaching is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.
如果不考虑演化, 生物学的一切都没有意义
It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.
The only time success comes before work is in the dictionary.
煤炭曾是工业进步的支柱，但其未来必须平衡经济需求与环境责任。
The only limit to our realization of tomorrow will be our doubts of today.