you want to insert an appropriate quote into your essay. which quote is the best choice to use if you want readers to unserstand the concept of free thought?

a) "success usually comes to those who are too busy to be looking for it." henry david thoreau

b) "nothing astonishes men so much as common sense and plain dealing." -- ralph waldo emerson

c) " go confidently in the direction of your dreams. live the life you have imagined." -henry david thoreau

d) "all unrest is but the struggle of the soul to reassure herself of her inborn immortality." -- amos bronson alcott