爱不是有限的资源。你给予的越多，你拥有的就越多。
"Love is not a finite resource. The more you give, the more you have."
"The beauty of science lies in its ability to reveal the unknown."
There was never a century nor a country that was short of experts who knew the Deity's mind and were willing to reveal it.
Teaching is not about imparting everything, but about guiding at the right moment.