“Those who are in love with practice without knowledge are like the sailor who gets into a ship without rudder or compass and who never can be certain [where] he is going. Practice must always be founded on sound theory.… — Iggy Fernandez Copy Share Image
“Those who are in love with practice without knowledge are like the sailor who gets into a ship without rudder or compass and who… — Iggy Fernandez Copy Share Image
![“Those who are in love with practice without knowledge are like the sailor who gets into a ship without rudder or compass and who never can be certain [where] he is going. Practice must always be founded on sound theory. —The Discourse on Painting by Leonardo da Vinci” quote by Iggy Fernandez](https://sms4smile.com/quotes/img-quotes/ed6/iggy-fernandez-173190_knowledge_those-who-are-in-love-with-practice-with_144498.jpg)