What do each of the following quotations mean to you?

(a) "An unexamined life is not worth living" — Socrates

(b). “A man is but the product of his thoughts. What he thinks he becomes.” — M.K. Gandhi

(c). “Where there is righteousness in the heart, there is beauty in the character. When there is beauty in the character, there is harmony in the home. When there is harmony in the home, there is order in the nation. When there is order in the nation, there is peace in the world.” — A. P. J. Abdul Kalam