The best Quotations

Do you know the writers of the following quotations?

Quotation I dare to do all that may become a man: who dares do more is none. - writer
Quotation It would be a colorless world if each individual did not secretly believe himself superior to almost everyone else. - writer
Quotation Nature has no principles. She makes no distinction between good and evil. - writer
Quotation That a marriage ends is less than ideal; but all things end under heaven, and if temporality is held to be invalidating, then nothing real succeeds. - writer
Quotation Do what you fear and fear disappears. - writer
Quotation Every ruler is harsh whose laws is new. - writer