Experience is the teacher of all things:
“Experience is the teacher of all things.” – Julius Caesar
Picked out for you:

“The mediocre teacher tells. The Good Teacher explains. The superior teacher demostrates. The Great teacher inspires.” – William Arthur Ward

“Blessed are those who can give without remembering and take without forgetting.” – Bernard Meltzer

“Far better is it to dare mighty things, to win glorious triumphs – even though checkered by failure – than to rank with those poor spirits who neither enjoy much nor suffer much, because they live in a gray twilight that knows not victory nor defeat.” – Theodore Roosevelt

“In my experience, there is only one motivation, and that is desire. No reasons or principle contain it or stand against it.” – Jane Smiley

“There is only one thing more painful than learning from experience and that is not learning from experience.” – Archibald Mcleish

“Experience is simply the name we give our mistakes.” – Oscar Wilde

“I’m not a fan of playing hopscotch with the world rather I take what’s mine and that requires discipline and patience.” – James D. Wilson