He simply appreciates him. Ulysses knows that his son will do well with his work of ruling the kingdom of Ithaca, while he is traveling the seas ("He works his work, I mine"). In the final stanza, Ulysses speaks of the mariners with whom he has traveled. He explains that although everyone has aged, they are still "strong in will" and have time and the ability to do something unforgettable and honorable before "the long day wanes" as "tis not too late to seek a newer world." Ulysses" goal is to sail "beyond the sunset" until his death, and maybe go to the "Happy Isles", a heaven also known as the Elysian fields, described in Greek mythology where great heroes were believed to be taken after death. Despite their lost youth, Ulysses and the others are still determined: "To strive, to seek, to find, and not to yield.".
In order to fully understand how Tennyson arrived at ideas for his poem, one must understand the Odysseus of Homer, and the Ulysses of Dante. The hero of Homer's Odyssey contributed in the destruction of Troy by developing the strategy of the Trojan Horse. During his long trip home, he had many dangerous adventures, encountering ghosts, sirens, monsters, gods, and even had amorous affairs. He is portrayed as a clever, noble, well-spoken and homesick hero who endures numerous struggles as he travels home, capable of surviving attacks from gods. Dante's Ulysses is a tragic figure who dies while sailing too far in an insatiable thirst for knowledge, and ends up in Dante's Inferno when he knowingly uses wit to satisfy his worldly emotions of wrath and vengeance. "When/I sailed away from Circe, who"d beguiled me/to stay more than a year there /neither my fondness for my son nor pity/for my old father nor the love I owed/Penelope, which would have gladdened her, /was able to defeat in the longing/I had to gain experience of the world/and of the vices and the worth of men" (ll.