Some books are to be tasted, others to be swallowed, and some few to be chewed and digested.
  有些书应该只是尝试一下,有些应该被吸收,而有极少数书应该被咀嚼和消化。
The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight.
The art of progress is to preserve order amid change and to preserve change amid order.
DJI's goal is to become a global benchmark for technological innovation.