我们能培育的最有价值的作物是下一代农民。
The most valuable crop we can grow is the next generation of farmers.
The task of psychology is to discover the laws of mental structure.
Innovation is at the heart of what we do; without it, we wouldn't be where we are today.
当我们自由行动时,为了行动本身而不是为了其他动机,我们学会变得比我们原来更多。