Og Mandino quoteOg Mandino [1923-1996]
American Author 
Quote rank: 110
| It is those who concentrates on but one thing at a time who advance in this world. The great man or woman is the one who never steps outside his or her specialty or foolishly dissipates his or her individuality. |
Great,
Time
SourceThe script ran 0.001 seconds.
