The only limits that exist are the ones you place on yourself.

统计学是科学的语法。

The future of liberal democracy depends on its ability to adapt to new challenges and to maintain the support of its citizens.

The man who is fit to work at any particular trade is unable to understand the science of that trade without the kindly help and cooperation of men of a totally different type of education.

译文：要成就大事，不应该去和众人谋划。