Psychology must be grounded in the reality of the organism's struggle to exist.

Leadership means making tough decisions today that will benefit the industry tomorrow.

有时候最难的事情和正确的事情是同一件事。

语言教学的本质在于思维能力的培养和文化意识的发展

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.