Discontent is the source of all trouble, but also of all progress in individuals and in nations.


Forty Thousand Quotations: Prose and Poetical (1917)


Discontent is the source of all trouble, but also of all progress in individuals and in nations.

Discontent is the source of all trouble, but also of all progress in individuals and in nations.

Discontent is the source of all trouble, but also of all progress in individuals and in nations.

Discontent is the source of all trouble, but also of all progress in individuals and in nations.