I am an old man and have known a great many troubles, but most of them never happened.
Mark Twain
mrt
06
2011
I am an old man and have known a great many troubles, but most of them never happened.
Mark Twain
Efficiency is doing things right. Effectiveness is doing the right things. Success is doing the right things, right, right now. Nisandeh Neta |
Bij Managementboek |