When new turns of behavior cease to appear in the life of the individual, its behavior ceases to be intelligent.

When new turns of behavior cease to appear in the life of the individual, its behavior ceases to be intelligent.

当一个人的生活中不再出现新的行为变化时，他的行为就不再具有智慧。

-- Thomas Carlyle 托马斯·卡莱尔