Friendship (as the ancients saw) can be a school of virtue, but also (as they did not see) a school of vice. It is ambivalent. It makes good men better and bad men worse.
C. S. LewisThe human heart is not unchanging (nay, changes almost out of recognition in the twinkling of an eye).
C. S. LewisIf we accept Heaven we shall not be able to retain even the smallest and most intimate souvenirs of Hell.
C. S. LewisThe only things we can keep are the things we freely give to God. What we try to keep for ourselves is just what we are sure to lose.
C. S. Lewis