“Respect the past; you never know how it may affect you.”
“It’s unbelievable how you can affect someone else so deeply and never know.”
“Try smiling at people, you never know how one smile can affect their day.”
“In the calculus of feelings, you never really know how one person's absence will affect you more than another's.”
“You never know which people will affect your life.”
“No matter how much time has passed, these things still affect us and the world we live in. If you don't pay attention to the past, you'll never understand the future. It's all linked together.”