Who said "Every major discovery was once considered impossible."?

This quote is attributed to James Watson.

Every major discovery was once considered impossible. - James Watson

"Every major discovery was once considered impossible."

James Watson Hope

Molecular Biologist American Born 1928 (age 98)

"DNA is a molecule that deserves reverence."

"You're looking at chemistry, and chemistry is dead."

"The brain is a very special organ."

"Science has always been my first love."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."