the best things come in small packages
Often the things that have the most value or quality are small; the size of something does not always properly indicate its value. A variation of the more common phrase, "good things come in small packages." Experiencing the love of a baby is really life-changing. It's so true that the best things come in small packages.
best things come in small packages, good things come in small packages
Prov. Small packages often contain valuable things. (Sometimes said of petite or short people.) Jill: I'm upset at George. He only gave me this tiny box for my birthday. Jane: Don't get upset till you know what's in it. Good things do come in small packages. Child: I hate being so short. Grandmother: You shouldn't. The best things come in small packages.