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The truth is rarely pure and never simple.

The boundaries of our knowledge are the frontiers of our imagination.

我們今天所做的每一個決定都在塑造我們為明天留下的遺產。

I am not an Athenian or a Greek，but a citizen of the world.

走著走著,你會創造屬于自己的小宇宙。

宇宙充滿了神奇的事物，耐心地等待著我們的智慧變得更加敏銳。

Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.

La verdad no siempre está en los hechos, a veces se esconde en los pliegues de la imaginación.

I’m playing against great players, playing against the best in the world. The competition – that’s what I’ve always wanted.