Gratitude is the knowledge you have means ensuring there are clear consciousness. A realization of intellectual property rights. Valuable knowledge that others do, and also anyone who do you give ourselves, no matter how much it is a little like raising the teach offers work.
Gratitude is the knowledge you mean, a clear mind, consciousness and wisdom of age. Benefactors know that others done to her. But those who do it for him. Whether it is more or less like parenting, teaching them to stay at work.
Gratitude is the knowledge you mean the mind clear, conscious, who is wise; รู้อุปการคุณ others committed unto him. Whoever did to themselves, whether that much less, such as raising teaching given rest.