The best Quotations

Please give me some good advice in your next letter. i promise not to follow it.
- Edna St. Vincent Millay

Do you know the writers of the following quotations?

Quotation To fear the worst oft cures the worse. - writer
Quotation This is the highest wisdom that I own; freedom and life are earned by those alone who conquer them each day anew. - writer
Quotation The deepest definition of youth is life as yet untouched by tragedy. - writer
Quotation Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it. - writer
Quotation Clothe with life the weak intent, let me be the thing I meant. - writer
Quotation When a lot of remedies are suggested for a disease, that means it can't be cured. - writer