The biggest regret in life is giving up what should not be given up easily, and stubbornly persisting in what should not be persisted.
The soul is placed in the body like a rough diamond, and must be polished, or the luster of it will never appear.
Learning is the process of modifying symbolic structures to improve performance.
Every one is a moon and has a dark side which he never shows to anybody.
爱是你与万物之间的桥梁。