Brazil's presidential adviser Celso Amorim draws a fascinating parallel between quantum mechanics and current international dynamics. He borrows the 'uncertainty principle' concept from physics to describe today's geopolitical landscape—where anything can happen at any time. The analogy cuts deep: just as particles behave unpredictably at quantum scales, global affairs seem increasingly volatile and resistant to traditional forecasting. This kind of systemic unpredictability should make traders and investors think twice. When major powers and their policies become less predictable, market implications ripple across assets. The takeaway? In an era where geopolitical tensions can shift overnight, maintaining flexibility in your portfolio strategies isn't optional—it's essential.