David Stephens

Personal portfolio and knowledge management platform.

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

"The first countries to go to war with cryptocurrencies are those with capital controls. The two are inherently incompatible."

Naval Ravikant , 2017
Featured Highlight

"Brain waves are a physiological reaction to our environments. They can help us optimize mental functioning for our current situations. There are five common brain-wave states—gamma, beta, alpha, thet…"

Own the Day, Own Your Life: Optimized Practices for Waking, Working, Learning, Eating, Training, Playing, Sleeping, and Sex by
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