No man has a right to expect to succeed in life unless he understands his business, and nobody can understand his business thoroughly unless he learns it by personal application and experience.


Struggles and Triumphs: Or, Forty Years' Recollections of P. T. Barnum (ed. 1869)


No man has a right to expect to succeed in life unless he understands his business, and nobody can understand his business thoroughly unless he...

No man has a right to expect to succeed in life unless he understands his business, and nobody can understand his business thoroughly unless he...

No man has a right to expect to succeed in life unless he understands his business, and nobody can understand his business thoroughly unless he...

No man has a right to expect to succeed in life unless he understands his business, and nobody can understand his business thoroughly unless he...