1、Adversity is a good discipline.苦难是磨练人的好机会。2、Although again sweet candy.also has a bitter day.即使再甜的糖，也有苦的一天。3、Never put off what you can do today until tomorrow.今日事今日毕。4、The greatest test of courage on earth is to bear defeat without losingheart.世界上对勇气的最大考验是忍受失败而不丧失信心。