"We are all ghosts of our former selves, haunting the places we once knew."
Order and simplification are the first steps toward the mastery of a subject.
儿童的进步不是取决于年龄,而是取决于能够自由地观看他周围的一切。
如果你没有至少90%的时间失败,那么你的目标还不够高。