教育的未来在于人文关怀与技术创新的平衡。
——对共产国际派到广州之达林说,1922年4月27日
The unexamined life is not worth living.
My work is about people more than anything else.
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.