"Those who are enamoured of practice without..." - Quote by Leonardo Da Vinci
Those who are enamoured of practice without science are like a pilot who goes into a ship without rudder or compass and never has any certainty of where he is going. Practice should always be based upon a sound knowledge of theory.
More by Leonardo Da Vinci
“Experience never misleads; what you are misled by is only your judgment, and this misleads you by anticipating results from experience of a kind that is not produced by your experiments.”
“The men of experiment are like the ant; they only collect and use. But the bee...gathers its materials from the flowers of the garden and of the field, but transforms and digests it by a power of its own.”
“I am not to blame for putting forward, in the course of my work on science, any general rule derived from a previous conclusion.”
More on Knowledge
“It is the mark of an educated mind to expect that amount of exactness which the nature of the particular subject admits. It is equally unreasonable to accept merely probable conclusions from a mathematician and to demand strict demonstration from an orator.”
“Art is a step from what is obvious and well-known toward what is arcane and concealed.”
“Ignorance is preferable to error, and he is less remote from the truth who believes nothing than he who believes what is wrong.”
More on Practice
“It takes practice to hear your true desires. Your passion will often come as a whisper or serendipitous event that reminds you of what's important and what makes you happy.”
“Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.”
“The true gentleman does not preach what he practices till he has practiced what he preaches.”