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If you feel overwhelmed and confused by the global predicament, you are on the right track. Global processes have become too complicated for any single person to understand. How then can you know the truth about the world, and avoid falling victim to propaganda and misinformation?

— 21 Lessons for the 21st Century by Yuval Noah Harari

The only place rights exist is in the stories humans invent and tell one another.

— 21 Lessons for the 21st Century by Yuval Noah Harari

Questions you cannot answer are usually far better for you than answers you cannot question.

— 21 Lessons for the 21st Century by Yuval Noah Harari

Morality doesn’t mean ‘following divine commands’. It means ‘reducing suffering’.

— 21 Lessons for the 21st Century by Yuval Noah Harari

If in 2050 the world is full of nuclear terrorists and bioterrorists, their victims will look back at the world of 2018 with longing tinged with disbelief: how could people who lived such secure lives nevertheless have felt so threatened?

— 21 Lessons for the 21st Century by Yuval Noah Harari

Though the challenges are unprecedented, and though the disagreements are intense, humankind can rise to the occasion if we keep our fears under control and be a bit more humble about our views.

— 21 Lessons for the 21st Century by Yuval Noah Harari

Terrorism is the weapon of a marginal and weak segment of humanity. How did it come to dominate global politics?

— 21 Lessons for the 21st Century by Yuval Noah Harari

in the twenty-first century religions don’t bring rain, they don’t cure illnesses, they don’t build bombs – but they do get to determine who are ‘us’ and who are ‘them’, who we should cure and who we should bomb.

— 21 Lessons for the 21st Century by Yuval Noah Harari

Scientists too know how to cut corners and twist the evidence, but in the end, the mark of science is the willingness to admit failure and try a different tack. That’s why scientists gradually learn how to grow better crops and make better medicines, whereas priests and gurus learn only how to make better excuses

— 21 Lessons for the 21st Century by Yuval Noah Harari

Humans were always far better at inventing tools than using them wisely.

— 21 Lessons for the 21st Century by Yuval Noah Harari

If mosquitoes buzzed in our ears and disturbed our sleep, we knew how to kill the mosquitoes; but if a thought buzzed in our mind and kept us awake at night, most of us did not know how to kill the thought.

— 21 Lessons for the 21st Century by Yuval Noah Harari

“It’s white on this side.”

— Stranger in a Strange Land by Robert A. Heinlein

Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy—in fact, they’re almost incompatible; one emotion hardly leaves room for the other. Both at once can produce unbearable turmoil—and

— Stranger in a Strange Land by Robert A. Heinlein

“There is no safety this side of the grave.”

— Stranger in a Strange Land by Robert A. Heinlein

‘Love’ is that condition in which the happiness of another person is essential to your own.”

— Stranger in a Strange Land by Robert A. Heinlein