To be able to find joy in another's joy: that is the secret of happiness.
即使在艰难时刻,我也努力保持积极。
我们正在从基于商品生产的经济转向基于知识生产的经济。
最好的书会提出问题,而不仅仅是给出答案。
If your goal does not have a schedule, it is a dream.