John Kennedy actually said...

"We are indebted to you for the creativity and ingenuity you have shown in attacking a great national problem, for your remarkable contribution of time and energy, and for the leadership you have provi..."

"I'm confident with your support, which you have demonstrated on many battlefields and many different parts of the world, that with your support we can meet the challenges that lie ahead."

"I am pleased to extend my personal thanks to you and hope you will also convey my gratitude to those who assisted you."

"I am heartened by the improvements made in implementing this law."