1.Judge not from appearances. 人不可貌相，海不可斗量。 2. Knowledge is power. 知识就是力量。 3. Keep on going never give up. 勇往直前， 决不放弃！ 4. Whatever is worth doing is worth doing well. 任何值得做的事就值得把它做好！ 5. Believe in...

An optimist sees an opportunity in every calamity; a pessimist sees a calamity in every opportunity. 乐观的人在灾难中看到希望；悲观的人在希望中看到灾难。 An ounce of prevention is worth a pound of cure. 预防胜於治疗。 Answer a fool accordi...