The hardest thing to learn in life is which bridge to cross and which to burn.
经验的直接内容是心理学必须考虑的唯一事实。
我不会因为别人希望我成为别的样子而改变自己。
科学是一项集体事业,每一代人都为之添砖加瓦。
Life is a balance between holding on and letting go.