Quality is never an accident; it is always the result of intelligent effort.
教师必须具有健康的体魄,农人的身手,科学的头脑,艺术的兴味,改革社会的精神。
A good illustration doesn't just accompany text - it converses with it.
All things excellent are as difficult as they are rare.
韧性不是人们有或没有的特质,它涉及行为、思想和行动,任何人都可以学习和培养。
"The past is always carried into the present by small things."
生存下来的不是最强壮的物种,也不是最聪明的,而是最能适应变化的。
The protection of fishery resources is not a multiple-choice question, but a required question.