学者须先立志。志既立，则学问可次第着力。
求学的人必须先立下志向。志向确立后，学问就可以按部就班地下功夫。
Most overnight successes — in fact any significant successes — take at least 5 years. Budget your life accordingly.
The most profound ideas in mathematics often come from asking the simplest questions.
Innovation is not just about technology; it's about changing the way we think and operate.
经济学特别是宏观经济学中说的投资是耐用资本品如厂房设备的生产，而平常说的“投资”是指购买资产如股票，这和经济学中的投资不同，为了区分，这种投资被称为金融投资。