種樹的人種植了希望。
Lucy Larcom
露西·拉科母
The true meaning of life is to plant trees, under whose shade you do not expect to sit.
生活的真正意義是種下了樹，但不指望坐在下面遮蔭乘涼。
Nelson Henderson
納爾遜·亨德森
Someone's sitting in the shade today because someone planted a tree a long time ago.
前人種樹，後人乘涼。
Warren Buffett
沃倫·巴菲特