欲人之爱己也，必先爱人。欲人之从己也，必先从人。
解释：要想人爱护自己，必须先爱护别人；要想人顺从自己，必须先顺从别人。
改变令人不适，但它是进步的必要条件。
The present is the past rolled up for action, and the past is the present unrolled for understanding.
The real giants have been those who have stood for something, who have had a clear idea of what they wanted to say and have said it with force and clarity.