- "Learning never exhausts the mind."
- "Wisdom is the daughter of experience."
- "The greatest deception men suffer is from their own opinions."
- "There are three classes of people: those who see; those who see when they are shown and those who do not see."
- "An average human looks without seeing; listens without hearing; touches without feeling; eats without tasting; moves without physical awareness; inhales without awareness of odour or fragrance; and talks without thinking."
- "Simplicity is the ultimate sophistication."
- "The noblest pleasure is the joy of understanding."
- "Time stays long enough for those who use it."
- "Truth was the only daughter of Time."
- "He who possesses most must be afraid of loss."
- "Art is never finished, only abandoned."
- "I thought I was learning to live, I was only learning to die."
- "Why does the eye see more clearly when asleep than the imagination when awake?"
- "iron rusts from disuse; water loses its purity from stagnation. Even so does inaction sap the vigour of the mind."
- "Nature is the source of all true knowledge. She has her own logic; her own laws; she has no effect without cause, nor invention without necessity."
- "Nature never breaks her own laws."
- "All our knowledge has its origin in our perceptions."
- "Experience does not err. Only your judgments err by expecting from her what is not in her power."
- "Common sense is that which judges the things given to it by other senses."
- "Just as courage imperils life, fear protects it."
- "Nothing can be loved or hated unless it's first understood."
- "The deeper the feeling, the greater the pain."
- "As you cannot do what you want, want what you can do."
- "The time will come when men, such as I, will look upon the murder of animals as they, now, look on the murder of men."
- "Life without love, is no life at all."
- "To become an artist you have to be curious."
- "Learn how to see. Realise that everything connects to everything else."
- "All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge."
- "Truly, man is the king of beasts, for his brutality exceeds them. We live by the death of others. We are burial places."
- "Blinding ignorance does mislead us. Oh! Wretched mortals, open your eyes!"
- Leonardo da Vinci
Italian painter, sculptor, architect, inventor and intelectual