The only good is knowledge, and the only evil is ignorance.
有时候,解决问题的最好方法就是完全避开它。
预测蓬勃发展的积极情绪与消极情绪的比例约为3比1。高于这个比例,人们往往会蓬勃发展;低于这个比例,人们往往会萎靡不振。
预测未来的最好方式就是创造未来。
The most dangerous thing is to do nothing.
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.