Rui Horta

“Nothing captures the biological argument better than the famous New Age slogan: ‘Happiness begins within.’ Money, social status, plastic surgery, beautiful houses, powerful positions – none of these will bring you happiness. Lasting happiness comes only from serotonin, dopamine and oxytocin.”
― Yuval Noah Harari, Sapiens: A Brief History of Humankind

“Don't waste your time with explanations: people only hear what they want to hear.”
― Paulo Coelho

“Culture tends to argue that it forbids only that which is unnatural. But from a biological perspective, nothing is unnatural. Whatever is possible is by definition also natural. A truly unnatural behaviour, one that goes against the laws of nature, simply cannot exist, so it would need no prohibition.”
― Yuval Noah Harari, Sapiens: A Brief History of Humankind

“In 2012 about 56 million people died throughout the world; 620,000 of them died due to human violence (war killed 120,000 people, and crime killed another 500,000). In contrast, 800,000 committed suicide, and 1.5 million died of diabetes. Sugar is now more dangerous than gunpowder.”
― Yuval Noah Harari, Homo Deus: A History of Tomorrow