任何心理活动的价值都以其对成功生活的贡献来衡量。
The value of any mental activity is measured by its contribution to successful living.
Consciousness is like a river—you can never step into the same stream of thought twice.
我们唯一需要害怕的就是害怕本身。
Global hunger won't be solved by charity alone - it requires systemic change.