学习是系统中产生的任何变化,这些变化或多或少会永久性地改变其适应环境的能力。
Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
生活就是成长和改变。当你停止成长,你就停止了生活。
The greatest art is always on the edge of failure.