You can’t please everyone, so just be yourself.

The past, like the future, is indefinite and exists only as a spectrum of possibilities.

Modern forestry must balance three axes: ecology, economy and ethics.

学习数学的唯一方法就是做数学。

解释：在中药中，以草本植物为主的药材占据重要地位，体现了草本植物的药用价值。