The best Quotations

We deem those happy who from the experience of life have learnt to bear its ills without being overcome by them.
- Carl Gustav Jung

Do you know the writers of the following quotations?

Quotation Every thought derives from a thwarted sensation. - writer
Quotation I must study politics and war that my sons may have liberty to study mathematics and philosophy. - writer
Quotation Every man is surrounded by a neighborhood of voluntary spies. - writer
Quotation The world is a dangerous place to live, not because of the people who are evil, but because of the people who don't do anything about it. - writer
Quotation Everything one does in life, even love, occurs in an express train racing toward death. To smoke opium is to get out of the train while it is still moving. It is to concern oneself with something other than life or death. - writer
Quotation Blessed indeed is the man who hears many gentle voices call him father! - writer