以下是關於狗感人的名言的英文：
1. "A dog is the only friend that remembers how you treated him always." -- Bill Evans
2. "A dog is the only animal that, having finished its task, will stand by you forever." -- Dr Seuss
3. "No matter how much we might not want to, we must remember that our dog is always there for us, unconditionally." -- Unknown
4. "A dog is the most loyal and loving creature in the world. They give unconditional love and are always there for you." -- Unknown
5. "A dog is a man's best friend, even if he does not always appreciate it." -- Unknown
希望這些名言能夠表達出狗的忠誠和愛。