The self is not something ready-made, but something in continuous formation through choice of action.
自我不是现成的东西，而是通过行动选择不断形成的东西。
预测未来的最好方法就是去创造它。
人的一生，必然要经过苦、乐磨炼；在苦难中练就的幸福，才最为长久。
The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.