To be free is not to have no master, but to choose your own.

The language of cells is written in molecules and forces.

Collaboration between governments, scientists, and the fishing industry is essential to combat illegal fishing.

译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。