Twenty-four famous violinists reveal the secrets to their success, discuss the aesthetic and technical aspects of playing, and define their personal conceptions of violin mastery. Ysaye reminisces about his studies with Vieuxtemps and Wieniawski, Auer emphasizes the importance of fostering students' individual talents, and Heifetz voices his views on technical mastery and temperament. Advice from other masters includes tips on efficient practice, improving bow technique, and refining intonation.