The worth of a psychological theory is measured by its usefulness.
心理学理论的价值是由其实用性衡量的。
I'm focused on what I can control.
成功不在于金钱或名声，而在于幸福和满足感。
The personal is the starting point of all literature.
大兵之间只有一种区别，就是活大兵与死大兵之别。
"You can't control everything, but you can control how you react to things."
自然是一个活生生的整体，而非死寂的集合体。