Who said "The human species is made up of two sexes: men and women."?

This quote is attributed to Romain Rolland.

The human species is made up of two sexes: men and women. - Romain Rolland

"The human species is made up of two sexes: men and women."

Romain Rolland Wisdom

Novelist Musician French 1866–1944

"Life is a beautiful struggle."

"Art is the effort of man to express the unspoken."

"Music is the one incorporeal entrance into the higher world of knowledge."

"Love is life's blood."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."