The best Quotations

Thus, with child to speak, and helpless in my throes, biting my truant pen, beating myself for spite: fool! said my muse to me, look in thy heart, and write.
- Sir Philip Sidney

Do you know the writers of the following quotations?

Quotation Anyone who in discussion relies upon authority uses, not his understanding, but rather his memory. - writer
Quotation We do not condemn the preachers as an individual but we condemn what they teach. We urge that the preachers teach the truth, to teach our people the one important guiding rule of conduct - unity of purpose. - writer
Quotation The courage of the poets is to keep ajar the door that leads into madness. - writer
Quotation Anger is a wind which blows out the lamp of the mind. - writer
Quotation It is simpler and easier to flatter people than to praise them. - writer
Quotation Had it not been for you, I should have remained what I was when we first met, a prejudiced, narrow-minded being, with contracted sympathies and false knowledge, wasting my life on obsolete trifles, and utterly insensible to the privilege of living in this wondrous age of change and progress. - writer