The best Quotations

Do you know the writers of the following quotations?

Quotation When one is willing and eager, the Gods join in. - writer
Quotation Beware of no man more than of yourself; we carry our worst enemies within us. - writer
Quotation That which is given with pride and ostentation is rather an ambition than a bounty. - writer
Quotation 'Tis God gives skill, but not without men's hand: He could not make Antonio Stradivarius's violins without Antonio. - writer
Quotation The genuine artist is never ''true to life.'' He sees what is real, but not as we are normally aware of it. We do not go storming through life like actors in a play. Art is never real life. - writer
Quotation Freedom is what you do with what's been done to you. - writer