A moral being is one who is capable of reflecting on his past actions and their motives.
Strength comes from overcoming the things you thought you couldn't handle.
心理学的方法必须像自然科学一样精确。
Adventure should be 80 percent planning and 20 percent sheer audacity.
可持续性不是一种趋势,而是我们对未来的责任。
I don’t care about the past, I care about the future.