The richness I achieve comes from Nature, the source of my inspiration.
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.
所有科学的统一性仅在于其方法，而不在于其材料。
The highest task of education is to develop in the individual a sense of responsibility towards humanity.