The only way to learn mathematics is to do mathematics.

You have to have confidence in your ability, and then be tough enough to follow through.

贫贱时，对富贵漠然置之，他日得志一定不自矜；富贵之时，心中不忘贫贱之日，即便失却富贵心中也必无怪怨。

The principal object of management should be to secure the maximum prosperity for the employer, coupled with the maximum prosperity for each employee.

我们必须投资于下一代农民——他们掌握着粮食的未来。

通货膨胀无论何时何地都是一种货币现象。

Mental processes are the living organism's survival toolkit.