More quotes by Leonardo da Vinci

"As every divided kingdom falls, so every mind divided between many studies confounds and saps itself."
"I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shrink, but they whose heart is firm, and whose conscience approves their conduct, will pursue their principles unto death."
"As a well spent day brings happy sleep, so life well used brings happy death."
"All our knowledge has its origin in our perceptions"
"Wisdom is the daughter of experience"