Just as money laid out at interest doubles and trebles ifself in time, so the precious hours of childhood and youth, if properly userd, will yield us incalculable advantages.

• 或者充实我们的经验；增长我们的才干；待到适当时机我们就能挣得金钱.；那些对浪费时间毫不在意的人该记住这一点