The poor are often forced to make choices that no one should have to make.
穷人常常被迫做出没有人应该做出的选择。
永远不要停止学习，因为世界从未停止变化。
悔恨自己的错误，而且力求不再重蹈覆辙，这才是真正的悔悟。
个体心理的发展是一个分化和整合的过程。
False facts are highly injurious to the progress of science, for they often endure long.
做你自己；别人都已经有人做了。