The best Quotations

I have never known anyone worth a damn who wasn't irascible.
- Ezra Pound

Do you know the writers of the following quotations?

Quotation What's going on in the inside shows on the outside. - writer
Quotation The last sound on the worthless earth will be two human beings trying to launch a homemade spaceship and already quarreling about where they are going next. - writer
Quotation Imagination... its limits are only those of the mind itself. - writer
Quotation People are constantly clamoring for the joy of life. As for me, I find the joy of life in the hard and cruel battle of life - to learn something is a joy to me. - writer
Quotation The mark of our time is its revulsion against imposed patterns. - writer
Quotation Build for your team a feeling of oneness, of dependence on one another and of strength to be derived by unity. - writer