It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断挖掘和钻研。
史记
The ethical implications of genetic modification must be carefully considered.
The world is a stage, but the play is badly cast.
可持续性不仅仅是植树造林；而是确保我们今天采取的每一个行动都不会损害未来。
印刷成文不能代表它们就是真理。