The natural world does not owe us easy answers; we must earn... - Karl Landsteiner

This quote is attributed to Karl Landsteiner.

"The natural world does not owe us easy answers; we must earn our understanding through diligence."

Karl Landsteiner Perseverance

Immunologist Austrian-American 1868–1943

More from Karl Landsteiner

"Science is organized knowledge."

"The unknown is always feared."

"Discovery requires curiosity and patience."

"Blood types reveal the hidden connections between humanity."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."