Authors:

Lesson Learned Quotes - Page 2

History teaches, perhaps, very few clear lessons. But surely one such lesson learned by the world at great cost is that aggression, unopposed, becomes a contagious disease.

United States. President (1977-1981 : Carter), Jimmy Carter, United States. Office of the Federal Register (1977). “Jimmy Carter”

It was an old lesson learned by governments: that war solves problems of control.

Howard Zinn (2015). “A People's History of the United States: 1492-Present”, p.425, Routledge