not on
(informal, Britain, Australia) Unacceptable or impossible.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new. Socrates
God is not on the side of the big battalions, but on the side of those who shoot best. Voltaire
There is no need to worry about mere size. We do not necessarily respect a fat man more than a thin man. Sir Isaac Newton was very much smaller than a hippopotamus, but we do not on that account value him less. Bertrand Russell
Depend on your walking stick, not on other people. Japanese Proverb
Old age comes not on its own. Welsh Proverb
It was not on one foot that St. Patrick came to Ireland. Irish Proverb