Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less. ― Marie Curie

---

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special. ― Stephen Hawking

---

One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away. ― Stephen Hawking

---

A man who dares to waste one hour of time has not discovered the value of life. ― Charles Darwin

---

The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt. ― Bertrand Russell

---

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here. ― Arthur C. Clarke

---

That which can be asserted without evidence, can be dismissed without evidence. ― Christopher Hitchens

---

If we knew what it was we were doing, it would not be called research, would it? ― Albert Einstein

---

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom. ― Isaac Asimov

---

In the beginning there was nothing, which exploded. ― Terry Pratchett

---