William Harvey

"The heart is the beginning of all things, and the seat of life."

"All we know is still infinitely less than all that remains unknown."

"Nature herself has imprinted on the heart of man an inclination to benevolence."

"The blood is the life."

"True knowledge consists in knowing things, not words."

"Wonder is the seed of knowledge."

"Life is a motion, not a state."

"The heart is the sovereign of the body."

"To be wise is to be resolute."

"The greatest discoveries are yet to come."

"Reason should be our guide in all things."

"Nature is not static; it is in constant motion."

"The mind is the instrument of discovery."

"What is not understood cannot be commanded."

"Observation is the foundation of all knowledge."

"The body's harmony depends on the circulation of blood."

"To question is to begin to think."

"The heart beats with the rhythm of life."

"Understanding comes through careful observation."

"Nature reveals her secrets to the patient observer."

"The circulation of blood is the foundation of life."

"True progress comes from challenging old beliefs."

"The heart is the engine of existence."

"Knowledge without practice is merely theory."

"Nature does nothing in vain."

"The pursuit of truth requires courage."

"All living things are connected through the circulation of life."

"Observation beats speculation every time."

"The body speaks to those who listen carefully."

"Progress requires the willingness to question authority."