The best Quotations

I want my friend to miss me as long as i miss him.
- St. Augustine

Do you know the writers of the following quotations?

Quotation Treat a work of art like a prince. Let it speak to you first. - writer
Quotation If ever a man and his wife, or a man and his mistress, who pass nights as well as days together, absolutely lay aside all good breeding, their intimacy will soon degenerate into a coarse familiarity, infallibly productive of contempt or disgust. - writer
Quotation If you would lift me up you must be on higher ground. - writer
Quotation The complex develops out of the simple. - writer
Quotation Those who love deeply never grow old; they may die of old age, but they die young. - writer
Quotation My fortune somewhat resembled that of a person who should entertain an idea of committing suicide, and, altogether beyond his hopes, meet with the good hap to be murdered. - writer