This week, 'The Oracle of Omaha' Warren Buffett announced his retirement, preparing to bid farewell to the investment empire he has managed for over 60 years. He leaves behind a treasure trove of wisdom for the global financial markets. Here are some golden quotes selected from past 'Buffett's Letters to Shareholders.' The recent market downturn may feel discouraging, but looking at it from another perspective, it could also be a golden opportunity for reflection and growth: