In plain words
He remembered it before He died. He called His disciple to Him: My dear one! At such and such a place, that day, I came away without paying the charge to the man who owned the camel. So give him this money and clear this debt, He said.
Every Bhāratīya śāstra too has gone on teaching this very truth, freedom from debt, in full measure. Saying that he must not go back on his word, Hariścandra lost his kingdom, his wife and even his children, strove to uphold Satya, and gave up even his life. When we go deep and inquire in this way, we can see in every religion how great is the power of Satya, the power of tyāga and the power of unity. So unity is necessary. If unity itself is lacking, life itself is wasted. We can turn into traitors, not to the country, but to God. Instead of living apart on your own, try to live together with others. We must set about living together with others. We must foster Prema among others. Along with this Prema we must make close bonds and kinship grow. That is precisely the chief principle in Christianity. In all religions they strove to make this unity grow.
Rather than the prayer a person offers to God on his own, Guru Nānak held that prayer together is essential, and began bhajans sung together. When all gather and pray to God with one voice, the heart of that God melts, stirs and comes. Among so many hearts, surely some one heart will be pure! So that one heart, at least, melts the heart of God. So we must take part in bhajans sung together. We must take part in service together. We must live a life in common. That itself is the highest path. We must root out feelings of hatred and foster the feeling of Prema.
Prema itself is the chief form of God. So we must gain God, who is the embodiment of Prema, through Prema alone. That is why they said one name among God's thousand names is the most important. That very one is the highest. "Sat-Cit-Ānanda-svarūpa," they said. Sat means Satya. Cit means sacred Jñāna. Where this Satya and Jñāna are, there Ānanda arises. We must gain God, who is the embodiment of Satya, only as the embodiment of Satya. We must gain God, who is perfect Jñāna, only through Jñāna.