If you close your mind in judgements and traffic with desires, your heart will be troubled. If you keep your mind from judging and aren't led by the senses, your heart will find peace.
So sometimes things are ahead and sometimes they are behind; Sometimes breathing is hard, sometimes it comes easily; Sometimes there is strength and sometimes weakness; Sometimes one is up and sometimes down. Therefore the sage avoids extremes, excesses, and complacency.
When one gives whatever one can without restraint, the barriers of individuality break down. It no longer becomes possible to tell whether it is the student offering himself to the teacher, or the teacher offering herself to the student. One sees only two immaculate beings, reflecting one another like a pair of brilliant mirrors.
The Great Tao flows everywhere, to the left and to the right, all things depend on it to exist, and it does not abandon them. To its accomplishments it lays no claims. It loves and nourished all things, but does not lord it over them.