我不遵循任何特定的理论，我只做我认为正确的事。
I don’t follow any particular theory. I just do what seems right to me.
The sociological imagination enables its possessor to understand the larger historical scene in terms of its meaning for the inner life and the external career of a variety of individuals.
The best preparation for tomorrow is doing your best today.
Loneliness is an absolute discovery.
解释：天地没有完美的功效，圣人没有完备的能力，万物没有完备的用途。