The best time to plant a tree was 20 years ago. The second best time is now.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
"Language is the most powerful tool we have to shape reality."
办一件事都不能善始善终,就不要做很多事。 
Sir, I love you more than words can wield the matter.
The richness I achieve comes from nature, the source of my inspiration.