Robert Boyle

"The pursuit of natural philosophy must never interfere with the pursuit of virtue."

"What we imagine is often more powerful than what we observe."

"The mark of a truly educated man is the ability to entertain a thought without accepting it."

"Nature herself has taught us to despise mere appearances."

"All things are changing; nothing remains still."

"The greatest obstacle to discovery is not ignorance but the illusion of knowledge."

"We should no more despise the humble workman than the noble philosopher."

"Curiosity is as natural to man as hunger."

"The law of nature is the law of God."

"Experience is the best teacher, but only if we are willing to be students."

"To live well is to understand the nature of the universe."

"The contemplation of nature produces in the mind a kind of religious awe."

"We must not confine our knowledge to what we have read, but expand it through observation."

"The man who never made a mistake never tried anything new."

"Mathematics is the alphabet in which God wrote the world."

"True nobility lies not in birth but in virtue."

"The body is but the instrument; the mind is the master."

"Nature abhors a vacuum, but she loves an orderly arrangement."

"To doubt everything or to believe everything are two equally convenient solutions."

"The pursuit of truth requires both humility and courage."

"We are all prisoners of our own perceptions until we learn to question them."

"The best discoveries come when we stop looking for what we expect to find."

"Nature is a book written in the language of mathematics."

"To understand one thing thoroughly is to understand many things."

"The greatest power lies not in controlling nature, but in understanding her."

"Patience in experiment is the mother of all discoveries."

"The mind that opens to a new idea never returns to its original dimensions."

"What the ancients believed was not necessarily false, but requires verification."

"The universe speaks to those who learn to listen."

"Greatness is not in what we accomplish, but in how we accomplish it."