RENAISSANCE AND MANNERISM C. I42O-C. I6OO manners, graceful, a good causeur and a good dancer, yet strong and fit, well versed in the pursuits of chivalry, riding, fencing and joust- ing. At the same time he should read poetry and history, be acquain- ted with Plato and Aristotle, understand all the arts, and practise music and drawing. Leonardo da Vinci was the first amongst artists to live up to this ideal: painter, architect, engineer and musician, one of the most ingenious scientists of his time, and enchanting in his personal ways. Only Christianity apparently did not occupy his mind at all. Lorenzo Valla, a Roman humanist, somewhat earlier had published his dialogue De voluptate, in which he openly praised the pleasures of the senses. The same Valla proved with a philological sagacity unknown before the rise of Humanism that the so-called Donation of Constantine, the document on which all papal claims to worldly domination rested, was faked. Yet he died a canon of the Lateran Cathedral in Rome. The philosophers of Florence founded an academy on Plato's model, kept Plato's supposed birthday as a holiday and preached a semi-Greek, semi-Christian religion in which Christ's love is mixed up with Plato's principle of divine love that makes us pine for beauty of soul and body in human beings. On one of the frescoes in the choir of Sta. Maria Novella an inscription can be read stating that the frescoes were completed in 1490, ."when this loveliest of lands distinguished in riches, victories, arts and buildings enjoyed plenty, health and peace". About the same time Lorenzo the Magnificent wrote his most famous poem, which begins as follows: Quanf^ bella giovinezza, Che sifugge tuttavia. Chi vuol esser lieto sia. Di dotnan non c I certezza. The lines are well known, and rightly so. They are here quoted in Italian, because they should be remembered in all their original melodiousness. Literally translated they mean: How lovely is youth. But it flies from us. If you want to be happy, be happy now* There is no certainty of to-morrow. Now these men, if they built a church, did not want to be reminded by its appearance of that uncertain to-morrow and of what may come after this life has ended. They wanted architecture to eternalise 84