Psychology is the science of mental processes.
悲观主义者的决定性特征是,他们倾向于相信坏事会持续很长时间,会破坏他们所做的一切,并且是他们自己的错。
The greatest thing about tomorrow is, I will be better than I am today.
When we no longer have the power to change a situation, we are challenged to change ourselves.