"The past is a shadow that follows us, but it is the light ahead that guides our steps."
过去是跟随我们的影子，但前方的光指引我们的脚步。
"The truth is rarely pure and never simple."
预测未来的最好方法是研究过去。
只有理解，才能关心；只有关心，才会帮助；只有帮助，一切才能得救。