Sapiens: A Brief History of Humankind

by Yuval Noah Harari

Prophets, poets and philosophers realised thousands of years ago that being satisfied with what you already have is far more important than getting more of what you want. Still, it’s nice when modern research – bolstered by lots of numbers and charts – reaches the same conclusions the ancients did.

However, mud huts, penthouses and the Champs-Elysées don’t really determine our mood. Serotonin does.