Changing the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.

赏析：通过忘记脚、忘记腰、忘记是非纠纷来说明内心的舒适和自在，强调了要放下杂念和纷争，保持内心的平静。

预测未来的最好方法就是创造未来。