Who said "To love is to make oneself vulnerable to loss."?

This quote is attributed to Marc Bloch.

To love is to make oneself vulnerable to loss. - Marc Bloch

"To love is to make oneself vulnerable to loss."

Marc Bloch Love

Historian French 1886–1944

"History is not the past. It is the study of the past."

"The historian's task is to understand men, not to judge them."

"A document is not an inert mass of inert data to be manipulated at will by the historian."

"The past is a foreign country; they do things differently there."

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"