David Stephens

Personal portfolio and knowledge management platform.

Portfolio Management
Track investments and analyze performance
Knowledge Library
146 books and highlights
Quotes Collection
73 curated quotes
Featured Quote

"If your view of the world is that people use reason for their important decisions, you are setting yourself up for a life of frustration and confusion. You’ll find yourself continually debating peopl…"

Scott Adams , 2013
Featured Highlight

"“You’re used to thinking of refraction in terms of cause and effect: reaching the water’s surface is the cause, and the change in direction is the effect. But Fermat’s principle sounds weird because …"

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