Man is what he believes.

"A life without reflection is a life half-lived."

I know that self-promotion happens a lot and it is not a bad thing. But I do not regard it as something positive.

译文：凡是一个人要做一件事情，就必须把全部的精神都集中在这件事情上，从开头到结尾都不能松懈，不可以看到别的就改变主意，做着这件事又想着那件事，坐在这座山上又望着那座山。一个人如果没有恒心，一辈子都不会有什么成就。