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"The truth is rarely pure and never simple."

The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.

Leadership is about inspiring people to do things they never thought they could do.

When you're surrounded by people who share a passionate commitment around a common purpose, anything is possible.

We try to avoid what we call 'signature architecture'. We don't want to have a style.

最好的領導者是那些最熱衷于讓比自己更聰明的人圍繞在身邊的人。