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。
The best way to predict the future is to create it.
You can't go back and change the beginning, but you can start where you are and change the ending.