Sung Yung-i believes that in rearing a dog the end does not justify the means; nonetheless, in most circumstances training serves to invigorate a dog toward reaching its potential and has no ill effects.
宋永義則認為，除非是為達到訓練目的不擇手段，在一般情況下，藉由訓練激發狗的潛能，對狗並沒有什麼不良影響。