There are dark shadows on the earth, but its lights are stronger in the contrast.
The major problems in biology are not solved by new techniques, but by new ideas.
历代君王都很重视诚信，诚信是凝聚人心的纽带。
我不需要理由去爱，我就是爱。
Liberty is the only thing worth fighting for.
质量不是理论；它是一种实践。
The best way to predict the future is to create it.