The key to managing complexity is to focus on the interfaces between components, not their implementations.

The degree of slowness is directly proportional to the intensity of memory; the degree of speed is directly proportional to the intensity of forgetting.

The mining industry must evolve to meet the demands of a changing world.

人的精神本喜欢清净，但被心所扰乱；人心本喜欢宁静，但被欲望所牵引。

设定目标是将无形变为可见的第一步。