I’ve had my best years after fifty. Age is just a number—it’s your attitude that counts. 

数学不是观赏性运动，你必须参与其中才能理解。

The key to growth is not just in expanding markets, but in deepening relationships.

质量不是承诺；它是一种交付。

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

在研究博弈论时，必须始终考虑其他参与者的理性。