Who said "A single hand cannot tie a bundle; unity is strength."?

This quote is attributed to Leopold Sédar Senghor.

A single hand cannot tie a bundle; unity is strength. - Leopold Sédar Senghor

"A single hand cannot tie a bundle; unity is strength."

Leopold Sédar Senghor Friendship

President, Poet Senegalese 1906–2001

"Negritude is not a philosophy. It is not a religion. It is a way of living with the world."

"I am not afraid of being a Black man. I am proud of it."

"To claim our Negritude proudly as an asset, not as a complex."

"Art is not a luxury, but a necessity for mankind."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."