思考就是将自己局限于一个单一的思想。
出自汉·桓宽《盐铁论·刺义》。品德高尚的人不拒绝听取负薪之人的意见，其名声才能远播。所以见多识广的人知识广博，多听多闻的人拥有智慧，拒绝别人劝说的人心胸狭隘，一味相信自己的人必然孤立。
The wisdom of hindsight, so useful to historians and indeed to authors of memoirs, is sadly denied to practising politicians.
人生就像骑单车，想保持平衡就得往前走。
The mind is a system of coordinated activities.
You could be the most beautiful person in the world and everybody sees light and rainbows when they look at you, but if you yourself don't know it, all of that doesn't even matter.