看到父母脸上的喜悦是无与伦比的回报。
The reward of seeing the joy on the faces of the parents is immense.
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they think it will profit them.
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.