Who said "Sometimes there just aren't enough rocks."?

This quote is attributed to Forrest Gump.

Sometimes there just aren't enough rocks. - Forrest Gump

"Sometimes there just aren't enough rocks."

Forrest Gump

"Life is like a box of chocolates, you never know what you're gonna get."

"My mama always said you've got to put the past behind ya before you can move on."

"I'm not a smart man, but I know what love is."

"Stupid is as stupid does."