山溪里的水随着季节常涨常退，不明事理的小人反复无常。
The essence of corporate competition is talent competition.
自由是每个人做他想做的事情的自然能力，除非受到暴力或法律的禁止。
Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.