There is no grass that doesn't grow fat without being grazed at night.,Blessed with the fate of "great accomplishment late in life," as long as he persistently cultivates his health-preserving exercises, these exercises will surely bear fruit in his old age.,However, after years of hard work, Wei Tu learned the skills of raising horses from Lao Liu, a veteran stablehand. He successfully rose from tenant farmer to become the new stablehand at Li's house.。