"Every good thing in the world stands on the razor-edge of danger"

In this quote, Thornton Wilder recommends that all good things worldwide are fragile and vulnerable, just like a razor-edge. They are continuously at threat of being damaged or lost. This could refer to the idea that good things are frequently fleeting and can quickly be removed, or that they require consistent care and defense to maintain. It might likewise indicate that the pursuit of good ideas can be harmful and dangerous, as they may include effects or difficulties. Overall, Wilder's words act as a suggestion to value and protect the advantages in our lives, as they are delicate and quickly threatened.