Who said "You can't teach an old dog new tricks."?

This quote is attributed to Frank Reynolds.

You can't teach an old dog new tricks. - Frank Reynolds

"You can't teach an old dog new tricks."

Frank Reynolds Education

"I am a five-star man!"

"The system is broken, but I got mine."

"I'm not gonna be part of your system!"

"A man chooses, a slave obeys."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."