The best Quotations

Dictators ride to and fro upon tigers which they dare not dismount. and the tigers are getting hungry.
- Winston Churchill

Do you know the writers of the following quotations?

Quotation Maybe the only thing worse than having to give gratitude constantly is having to accept it. - writer
Quotation When the freedom they wished for most was freedom from responsibility, then Athens ceased to be free and was never free again. - writer
Quotation Where liberty is, there is my country. - writer
Quotation Being ignorant is not so much a shame as being unwilling to learn. - writer
Quotation Nothing that you have not given away will ever be really yours. - writer
Quotation No good work whatever can be perfect, and the demand for perfection is always a sign of a misunderstanding of the ends of art. - writer