Nothing strengthens authority so much as silence
Italian polymath of the Renaissance whose areas of interest included invention, drawing, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
The way for a young man to rise is to improve himself in every way he can, never suspecting that anybody wishes to hinder him
The future belongs to those who believe in the beauty of their dreams
Every moment of light and dark is a miracle
The price good men pay for indifference to public affairs is to be ruled by evil men
How vain it is to sit down to write when you have not stood up to live
While there's life, there's hope
Inventor, Scientist
Author, Inventor, Philosopher, Scientist
Historian, Priest, Theologian
Historian, Philosopher, Writer
Author, Scientist
Astronomer, Philosopher, Scientist
Philosopher, Scientist
Artist, Playwright, Poet
Inventor, Scientist
Comedian, Historian, Philosopher
Scientist
Philosopher, Scientist
Inventor, Scientist
Philosopher, Scientist
Philosopher, Poet, Scientist
Inventor, Scientist, Writer
Historian, Philosopher, Poet
Historian, Philosopher, Poet
Inventor, Scientist
Historian, Philosopher
Scientist, Writer
Inventor, Scientist, Writer
Inventor, Politician, Scientist, Writer
Philosopher, Scientist
Scientist