To be able to give away riches is mandatory if you wish to possess them. This is the only way that you will be truly rich.
— Muhammad Ali

It is not necessary to change. Survival is not mandatory.
W. Edwards Deming mandatory quote

The other day they asked me about mandatory drug testing. I said I believed in drug testing a long time ago. All through the sixties I tested everything.
— Bill Lee

Guts are a combination of confidence, courage, conviction, strength of character, stick-to-itiveness, pugnaciousness, backbone, and intestinal fortitude. They are mandatory for anyone who wants to get to and stay at the top.
— D A Benton

So now is an opportunity for us to stand up and have a good, strong immigration policy to make sure that E- Verify becomes mandatory and we have got to train and properly equip our Border Patrol.
— Allen West