"I should like to save the Shire, if I could - though there have been times when I thought the inhabitants too stupid and dull for words, and have felt that an earthquake or an invasion of dragons might be good for them. But I don't feel like that now. I feel that as long as the Shire lies behind, safe and comfortable, I shall find wandering more bearable: I shall know that somewhere there is a firm foothold, even if my feet cannot stand there again."

carrying the world around his neck

"I see no hope of it now. But I've got to do the best I can."

”..I’m happy to be thought of so well by you, Uncle. Believe me when I say you mean more to me than all the world.”

He was like a Father to him, and an Uncle — had raised him from a loveless household and given his starved soul heapings of love and compassion, no matter how grumpy he protested he was. 

Frodo loved him, loved him as deeply as one person could love another, without conditions — and perhaps that was why he chose to go on the Quest. So his beloved Bilbo, his Uncle most precious to him than any jewels or palaces, would not have to. 

I miss you Uncle, even when we are here, I miss you. If only I could see you again in the end.