The World’s Greatest Quotes Collection

Everything is a riddle, and the key to a riddle is another riddle.

— Fyodor Dostoevsky

The Brothers Karamazov, Part IV, Book XI, Chapter 9 (c. 1880)

It was one of those March days when the sun shines hot and the wind blows cold: when it is summer in the light, and winter in the shade.

— Charles Dickens

Great Expectations, chapter 17

A home library is an act of hope.

Who is the biggest drone producer in Ukraine? It's Ukrainian housewives. They have 3D printers in the kitchen, and they produce parts for drones. This is not innovation.

I am now convinced that theoretical physics is actually philosophy.

Half of what separates successful entrepreneurs from non-successful ones is pure perseverance.

It is a sacred duty to prefer the truth to one's friends.

— Aristotle

Nicomachean Ethics, 1096a15 (approximate)

As for myself, I had a lot to say. But I was silent.

There's a terror in knowing what the world is about.

I try to work as much as possible - to the edge of sanity. Every good hour or even minute of thinking about Tesla or SpaceX has such a big effort on the company. It makes sleeping difficult.

Your nervous system cannot tell the difference between an imagined experience and a 'real' experience.

Everyone you meet is fighting a battle you know nothing about. Be kind. Always.

People who wish to analyze nature without using mathematics must settle for a reduced understanding.

Envy, resentment, revenge, and self-pity are disastrous modes of thought.

Never ask a barber if you need a haircut.