确保和平的最佳方式是维持主要国家之间的权力平衡。
战略的本质是选择不做什么。
抗击贫困的关键是将它分解成更小、更易管理的问题。
The true value of education is not just in the accumulation of facts, but in the training of the mind to think critically and creatively.
Truth is always stranger than fiction, because fiction has to make sense, while truth doesn't.
The dialogue between science and society must be ongoing.