Small changes in the environment can have big effects on behavior.
Surround yourself with those who are going to lift you higher.
孔子说：“《关雎》这篇诗，快乐却不淫秽，悲哀却不伤痛。”
只把眼睛盯在别人的缺点上，就会看不清自己的短处；只有常常检查自己，才能对自己的缺点了如指掌。