You have to perform to the ...

You have to perform to the best of your ability, and if you have to argue stringently, if you have to persist and to state your case strongly, then you do it.
You have to perform to the best of your ability, and if you have to argue stringently, if you have to persist and to state your case strongly, then you do it.
 Bronwyn Bishop

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.