Herbert Allen Giles,
Religions of Ancient China — Chapter I…
“ It is not quite so vague as T'ien, which seems to be more of an abstraction, while Shang Ti is a genuinely personal God. Reference to T'ien is usually associated with fate or destiny, calamities, blessings, prayers for help, etc. The commandments of T'ien are hard to obey; He is compassionate, to be feared, unjust, and cruel. Shang Ti lives in heaven, walks, leaves tracks on the ground, enjoys the sweet savour of sacrifice, approves or disapproves of conduct, deals with rewards and punishments in a more particular way, and comes more actually into touch with the human race. ”
