The biggest risk is not taking any risk... In a world that is changing really quickly, the only strategy that is guaranteed to fail is not taking risks.
抽象是管理大型软件系统复杂性的关键。
No one is useless in this world who lightens the burdens of another.
劳动是创造财富的唯一途径。
I am not an Athenian or a Greek，but a citizen of the world.
Leadership in the energy sector means making tough decisions today that will shape a sustainable tomorrow.