To make an elderly person happy is the noblest act a young person can ever do!
I don't understand this irony - valuable things like cars, gold, diamond are made up of hard materials but most valuable things like money, contracts and books are made up of soft paper.
Reading is the noblest of all the hobbies, that is why people mention it so frequently in their resume even if they don't read much.
Photos which captures human sadness are the noblest and the most meaningful of all the photos!
The noblest search is the search for excellence.