Who said "We are all haunted by the paths we did not take."?

This quote is attributed to Ilsa Lund.

We are all haunted by the paths we did not take. - Ilsa Lund

"We are all haunted by the paths we did not take."

Ilsa Lund

"We'll always have Paris, Rick. No matter what happens to us."

"I came here for you. Everything I've done has been for this moment."

"Life is uncertain. We must cherish the moments we have."

"Sometimes the greatest love is knowing when to let someone go."