The most important victories are the ones that come after the toughest defeats.
What is love except another name for the use of positive reinforcement? Or vice versa.
Agriculture is not just an industry—it’s a lifeline for humanity.
对较大收入征收较高比例的税收,等于对工作和节俭征收了一项税收;对人们因为工作更努力、储蓄更多而征收罚款。
The only limit to our realization of tomorrow will be our doubts of today.