“You can lead a horse to water, but you can't make him participate in synchronized diving.”
“You can lead a horse to water, but you can't make him sing opera.”
“YOU CAN LEAD A HORSE TO WATER, BUT YOU CAN'T MAKE HIM DRINK FROM THE TOILET" ”
“You can lead a horse to water, but a pencil must be lead.”
“You can lead a horse to water, but they might prefer wiskey”
“You can lead a man to Congress, but you can't make him think.”