"Mistakes are acceptable if you learn from them; unacceptable if you don't."

"If you're not failing, you're not pushing your limits."

"Pain plus reflection equals progress."

"He who lives by the crystal ball will eat shattered glass."

"People who worry about looking good typically hide what they don't know, and people who are more concerned with achieving goals expose what they don't know."

"Great collaboration feels like playing jazz."