The best Quotations

Those convinced against their will are of the same opinion still.
- Dale Carnegie

Do you know the writers of the following quotations?

Quotation What is needed, rather than running away or controlling or suppressing or any other resistance, is understanding fear; that means, watch it, learn about it, come directly into contact with it. We are to learn about fear, not how to escape from it. - writer
Quotation Desire creates the power. - writer
Quotation Let the ruling classes tremble at a Communist revolution. The proletarians have nothing to lose, but their chains. .Workers of the world unite! - writer
Quotation Be a philosopher, but, amidst all your philosophy, be still a man. - writer
Quotation In this world truth can wait; she is used to it. - writer
Quotation We are made wise not by the recollection of our past, but by the responsibility for our future. - writer