要理解现在，我们必须理解过去。
To understand the present, we must understand the past.
我必须研究政治和战争、挂毯和瓷器。
The Moving Finger writes; and, having writ, Moves on: nor all thy Piety nor Wit Shall lure it back to cancel half a Line, Nor all thy Tears wash out a Word of it.
要消除社会地位低下引起的焦虑，旅行可能是一个好方法，通过实际的旅行或在艺术作品中神游，去感受世界的广阔无垠。
I don’t follow any particular theory. I just do what seems right to me.
The most important quality for a researcher is persistence.
解释：治理河道，要用疏导的办法使其通畅；治理百姓，要引导百姓使其敢言。