“History is full of people who out of fear, or ignorance, or lust for power have destroyed knowledge of immeasurable value which truly belongs to us all. We must not let that happen again.”
— Carl Sagan
"Power without wisdom is dangerous, and what our age needs is wisdom even more than knowledge. Given wisdom, the power conferred by science can give a new degree of well-being to all mankind; without wisdom, it can bring only destruction."
— Bertrand Russell
“Three passions have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.”
— Bertrand Russell
“There is no shame in not knowing. The problem arises when irrational thought and attendant behavior fill the vacuum left by ignorance.”
— Neil deGrasse Tyson
"If anyone can refute me—show me I’m making a mistake... I’ll gladly change. It’s the truth I’m after, and the truth never harmed anyone."
— Marcus Aurelius
“If we don’t end war, war will end us.”
— H.G. Wells
“Don't forget, as you enjoy your mild spring days and peaceful summer evenings, how lucky you are to live in the temperate region of the Solar System, where the air never freezes and the rocks never melt.”
— Arthur C. Clarke
“There were some things that only time could cure. Evil men could be destroyed, but nothing could be done with good men who were deluded.”
— Arthur C. Clarke
“To be able to care about the world as it will be when we are dead is one of the signs of a civilized mind.”
— Bertrand Russell
