They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'
它们不是纪念碑，而是脚印。纪念碑只会说'至少我到了这里'，而脚印会说'这是我再次移动时所在的地方'。
The only one who's really judging you is yourself.
心理过程是大自然解决生活问题的方式。
对圣贤的道理教导别人很容易，自己实践却是不容易的事。对圣贤的道理开始奋斗很容易，但坚持到底却很难。圣贤的道理与实践相结合，行仁政必本与德性。后代则相反，学问与实践不能统一，不修持自己的德性，而只管治理别人。
认知地图不是头脑中的一幅图或模型，而是环境的动态变化表征。
It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.
