The study of mathematics is a constant dialogue between the concrete and the abstract.
La literatura es un diálogo constante entre el autor y el lector.
Every day is a new opportunity to grow and learn.
We must balance short-term energy needs with long-term environmental goals.
大学教育的目标是教会你在看到一个好人时能够认识出来。
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.