Hope is a good thing, maybe the best of things, and no good thing ever dies.
The future of medicine lies in understanding life at its most fundamental level.
成功的关键是永不停止学习。
我宁愿接受一个聪明人最尖锐的批评,也不愿接受大众无知的赞同。
采石场运营中的每个挑战都是创新和改进的机会。