Browse quotes by category
Thousands of quotes organised by category, author, and topic. Every entry comes with attribution and, where possible, a plain-language meaning—so you leave with an idea you can actually use, not just a phrase to copy.
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“Except our own thoughts, there is nothing absolutely in our power.”
Meaning: Control begins with the mind. -
“Common sense is the best distributed thing in the world.”
Meaning: Everyone believes they possess enough reason. -
“The greatest minds are capable of the greatest vices as well as of the greatest virtues.”
Meaning: Great intelligence carries both potential and risk. -
“Each problem that I solved became a rule which served afterwards to solve other problems.”
Meaning: Experience builds problem-solving ability. -
“I would rather have questions that can't be answered than answers that can't be questioned.”
Meaning: Curiosity and inquiry are more valuable than blind certainty. -
“What I cannot create, I do not understand.”
Meaning: True understanding comes from the ability to build or explain something. -
“The first principle is that you must not fool yourself—and you are the easiest person to fool.”
Meaning: Self-deception is the biggest obstacle to truth. -
“Physics is like sex: sure, it may give some practical results, but that's not why we do it.”
Meaning: Curiosity and passion drive scientific pursuit more than utility. -
“I learned very early the difference between knowing the name of something and knowing something.”
Meaning: Labels do not equal understanding. -
“If you can't explain something in simple terms, you don't understand it.”
Meaning: Clarity reflects true comprehension. -
“Nature uses only the longest threads to weave her patterns.”
Meaning: The universe is interconnected in complex ways. -
“Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.”
Meaning: Learning should be driven by passion and creativity. -
“I was born not knowing and have had only a little time to change that here and there.”
Meaning: Life is a limited opportunity to gain knowledge. -
“The imagination of nature is far, far greater than the imagination of man.”
Meaning: Reality surpasses human creativity. -
“A modest person seldom fails to be agreeable.”
Meaning: Humility makes a person likable. -
“It is a wonderful thing to be able to begin again.”
Meaning: New beginnings provide opportunities for growth. -
“Focus on long-term value, not short-term gains.”
Meaning: Sustainable growth requires patience and strategic thinking. -
“Execution is more important than ideas.”
Meaning: Turning ideas into action determines success. -
“Customer experience is everything in a service business.”
Meaning: User satisfaction defines business success. -
“Those who don't believe in magic will never find it.”
Meaning: Belief opens the door to wonder and possibility.