Jeff Blackman Professions : Author Born : 1956 Browse All Authors Top 3 quotes by Jeff Blackman People invest in your ability to deliver to them a more favorable future. Jeff Blackman ability future people Passion is your positive attitude in a world of negativity. Jeff Blackman negativity passion attitude Always deliver more in 'perceived value' than you take in cash value. Jeff Blackman values cash Similar Authors F. E. Marsh author Iimani David author Beatrice Faust author Isabella Macdonald Alden author Isabella Beeton author Alan AtKisson author All Authors