Popper, Karl

"We cannot jump off our own shadows."

"Mistakes are the portals of discovery."

"In searching for the truth, you have to follow the argument wherever it leads."

"Do not tell lies, and do not do what you hate."

"The dream of yesterday is the hope of today and the reality of tomorrow."

"What matters most is not whether you fall, but whether you get up."

"I may be wrong and you may be right, and by an effort, we may get nearer to the truth."

"The most important knowledge is knowledge of our own ignorance."

"Only the impossible is worth doing."

"Scientific discovery is not a matter of luck; it is a matter of dedication."

"Every moment of light and dark is a miracle."

"It is the duty of every man and woman to devote at least part of their life to the service of others."

"The open society is one that allows criticism."

"We cannot create utopia, but we can work towards a better world."

"Courage is the greatest of all virtues, because if you haven't courage, you may not have an opportunity to use any of the others."

"I love art, but I love truth more."

"The worst thing that can happen to us is to think that we have reached the final truth."

"Time is the fabric of our existence."

"Work is the foundation of all civilization."

"Music is the universal language of mankind."

"Technology is a tool, not a master."

"Leadership is about taking responsibility for others."

"Money is a means, not an end."

"Health is the most precious of all possessions."

"Adventure requires risk, and risk requires courage."

"The imagination is more important than knowledge."

"Justice must be blind to all but the truth."

"Patience is not about waiting, it's about how you wait."

"Kindness is the language which the deaf can hear and the blind can see."

"Strength comes not from dominating others, but from understanding ourselves."