Druckenmiller said: You can't get rich by diversifying into 50 mediocre assets. What really makes you wealthy is finding those two or three grand slams with an asymmetric risk-reward ratio.

Munger said: Smart people bet heavily when the world offers them a good opportunity; they place big bets when the odds are in their favor, and do nothing the rest of the time. It's that simple. The wise ones bet heavily when the world offers them that opportunity.

Buffett said: When it rains gold, put out the bucket, not the thimble. When it rains gold, put out the bucket, not the thimble.

Soros said: The profit from capturing key turning points far outweighs the accumulation of countless small fluctuations. The profit from capturing key turning points is far greater than the accumulation of countless small bands.

Duan Yongping said: Real profits come from holding onto a major trend with a concentrated position, not from small daily gains and losses. Truly significant opportunities in life are few and far between. So when you spot an opportunity and you understand it, don't shrink back like a timid rabbit. Step out bravely and seize it. When capital accumulates to a certain level, catching one or two truly big opportunities might allow you to leap across a social class.

In subjective investing, big money comes from a few correct, concentrated bets where odds are prioritized alongside probability. What truly changes one's destiny are three to five key opportunities, not dozens or hundreds of small gain/loss trades. Have the courage to concentrate positions, conduct deep research, assess risk, prioritize odds alongside probability, wait patiently, and commit decisively.