A people who are still, as it were, but in the gristle, and not yet hardened into the bone of manhood.
— Edmund Burke

When it comes to accepting emotional support or affection, I'm a little guarded and hardened to that.
Patricia Heaton hardened quote

Seek ye counsel of the aged for their eyes have looked on the faces of the years and their ears have hardened to the voices of Life. Even if their counsel is displeasing to you, pay heed to them.
— Kahlil Gibran

Manners are the happy ways of doing things; each one a stroke of genius or of love, now repeated and hardened into usage, they form at last a rich varnish, with which the routine of life is washed, and its details adorned. If they are superficial, so are the dew-drops which give such a depth to the morning meadows.
— Ralph Waldo Emerson

Pure Spirit, one hundred degrees proof -- that's a drink that only the most hardened contemplation-guzzlers indulge in. Bodhisattvas dilute their Nirvana with equal parts of love and work.
— Aldous Huxley