Since you've seen 3 idiots, I'll add three to your "must watch" list.

Like Stars on Earth
The Green Mile
John Q

The Fault in Our Stars...the pre-funeral eulogy.
Freedom writers
Hotel Rwanda

Chekout "the word"..bradly cooper n zoe saldana

God's not dead

"My Name is Khan"- forgotten is name
"A Beautiful Mind"- Russell Crowe
"7 Pounds"- Will Smith
"The Pursuit of Happyness"- Will Smith
"Gladiator"- Russell Crowe
"About Time"- Bill Nighy
"Castaway"- Tom Hanks
"The Shawshank Redemption"- Tim Robbins
"The Green Mile"- Tom Hanks
"Last of the Mohicans"- Daniel Day Lewis
"Brave heart"- Mel Gibson
"Passion of The Christ"- Jim Caviezel
"Lord of The Rings"- Ian Mack Ellen
"12 Years a Slave"- Chiwetel Ejiofor
"Changeling"- Angelina Jolie
"My Wife is a Gang star"-(watched this movie thirteen years ago, it was a Japanese movie so didn't know the actors, it was an action flick but it had some emotional and touching moments that I still remember till today....strangely tho)
"The Champ"- for the record this movie is reputed as the saddest movie in the world. Especially the end scene. I have never and I mean NEVER cried for a movie, but The Champ and The Passion of the Christ put me in a blue mood.....still didn't cry tho.
"Titanic"- didn't want to include it, but guess I should.

The Notebook- Ryan gosling