The man who is a pessimist before forty - eight knows too much ; the man who is an optimist after forty - eight knows too little 未逾四十八岁的悲观主义者，是知道得太多之人；而年逾四十八岁的乐观主义者，是知道得太少之人。
The man who is a pessimist before forty - eight knows too much ; the man who is an optimist after forty - eight knows too little 未逾四十八岁的悲观主义者，是知道得太多之人；而年逾四十八的乐观主义者，是知道得太少之人。
Pessimists look at that situation and despair . but three success stories show that the hurdles to prevention are not impossibly high 悲观主义者看到目前形势产生绝望。但有3个成功的事例中人们可以看到其障碍并不是不可跨越的。
And babies are going to be born tomorrow . as long as one new person is coming into the human family there is no reason for anybody to be a pessimist 只要有一个人即将加入人类的大家庭，就没有理由作悲观主义者，我是乐观主义者，因为还有婴孩出生，太阳明天会升起
" stephanie , " i said , " all through your life you are going to go through decisions , processes , phases or arrangements and you will have to choose in all of them , whether you are going to be an optimist , or a pessimist . 你一生都要面对决定过程阶段安排，你要作出抉择看你要成为乐观主义者，还是悲观主义者。
Problems are never real problems , unless they cause you to take your eye off the goal . negative experiences aren t bad , unless they motivate you to become a pessimist ! and that is a choice you don t have to make 问题永远不是真正的问题，除非它们令你的眼睛转离目标，负面的经历并不负面，除非它们使你成为悲观主义者，这不是你要作的抉择
Although humans have a brutal history , there ' s hope that the pessimists who forecast our eventual demise are wrong : recent evidence indicates that , like bonobos , we may be evolving in a more peaceful direction 虽然悲观主义者预测人类终将灭亡，但拥有野蛮史的我们其实还有一线希望：最近的证据指出，我们可能也像巴诺布猿（第二种黑猩猩）一样，正朝更和平的方向演化。
Making matters worse ( for the pessimists , naturally ) is research favoring optimists . optimists biological stress systems arent perpetually running at full steam , taxing immune systems and inviting chronic disease 更糟的是（自然是对悲观主义者而言）研究结果都支持乐观主义者。乐观主义者的生物应激系统不会一刻不歇地保持高度警惕状态，所以不会破坏免疫系统，让慢性病乘虚而入。
The amount of human tragedy kissinger saw around him during his formative years accounts for his being a man given to occasional melancholy or perhaps weltschmerz , and for being a convinced pessimist beneath a certain playfulness and levity 基辛格早年目睹了周围大量的人间悲剧，这使他时常显得很忧郁，或许可以叫做多愁善感，使他成为彻底的悲观主义者，虽然表面上爱开玩笑，有点放荡不羁。
