영어 문장 해석 부탁드려요

아래 문장이 잘 해석되지 않아 도움 부탁드려요.
“Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.”
“I have decided to stick with love. Hate is too great a burden to bear.”
“Love is the only force capable of transforming an enemy into friend.”
“I refuse to accept the view that mankind is so tragically bound to the starless midnight of racism and war that the bright daybreak of peace and brotherhood can never become a reality. I believe that unarmed truth and unconditional love will have the final word.”
특히 “darkness is to hate as light is to love”가 무슨 뜻인지 궁금해요.