In the external scheme of things, shining moments are as brief as the twinkling of an eye, yet such twinklings are what eternity is made of -- moments when we human beings can say "I love you," "I'm proud of you," "I forgive you," "I'm grateful for you." That's what eternity is made of: invisible imperishable good stuff.

Rogers contrasts the vast, impersonal “external scheme of things” with the intimate scale on which human meaning is actually made. What looks fleeting—brief “twinklings” of kindness, affirmation, gratitude, forgiveness—becomes, in his moral imagination, the substance of “eternity.” The quote reframes permanence not as duration or fame, but as the lasting spiritual and relational effects of small, sincere acts. It also reflects Rogers’s lifelong emphasis on emotional literacy: naming love, pride, forgiveness, and gratitude aloud is presented as a practice that builds a durable inner world for both speaker and listener. The “invisible imperishable good stuff” suggests that what endures most is often unmeasurable.