Learning is the only thing the mind never exhausts, never fears, and never regrets.
Leonardo da VinciInstrumental or mechanical science is the noblest and above all others, the most useful.
Leonardo da VinciLearning is the only thing the mind never exhausts, never fears, and never regrets.
Leonardo da VinciInstrumental or mechanical science is the noblest and above all others, the most useful.
Leonardo da Vinci