The best Quotations

I have never taken any exercise except sleeping and resting.
- Mark Twain

Do you know the writers of the following quotations?

Quotation I just put my feet in the air and move them around. - writer
Quotation Nor is not moved with concord of sweet sounds;
- writer

Quotation Growing old is not growing up. - writer
Quotation Sex: the pleasure is momentary, the position ridiculous, and the expense damnable. - writer
Quotation Be to their virtue very kind; be to their faults a little blind. - writer
Quotation Every time you get angry, you poison your own system. - writer