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L'absence est le plus grand des maux.

愛是你與一切之間的橋梁。

The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.

故事的力量在于它能夠?qū)⑽覀兣c他人聯(lián)系起來。

The universe is a vast and complex system, and understanding it requires both theoretical insights and observational evidence.

The secret of change is to focus all of your energy，not on fighting the old，but on building the new.