our destiny offers not the cup of despair , but the chalice of opportunity . (richard nixon, american president ) 命运给予我们的不是失望之酒，而是机会之杯。(美国总统 尼克松 . r.)

patience is bitter, but its fruit is sweet . (jean jacques rousseau , french thinker) 忍耐是痛苦的，但它的果实是甜蜜的。 (法国思想家 卢梭. j. j.)

progress is the activity of today and the assurance of tomorrow . (emerson, american thinker ) 进步是今天的活动、明天的保证。 (美国思想家 家默生)

the world can be changed by man’s endeavor, and that this endeavor can lead to something new and better .no man can sever the bonds that unite him to his society simply by averting his eyes . he must ever be receptive and sensitive to the new ; and have sufficient courage and skill to novel facts and to deal with them . (franklin roosevelt , american president ) 人经过努力可以改变世界，这种努力可以使人类达到新的、更美好的境界。没有人仅凭闭目、不看社会现实就能割断自己与社会的联系。他必须敏感，随时准备接受新鲜事物；他必须有勇气与能力去面对新的事实，解决新问题。(美国总统 罗斯福建. f.)