You cannot do only one thing.
Sentiment: NEGATIVE
You must do the things you think you cannot do.
I can only do my thing and do the best that I can.
We can't all do everything.
The shortest way to do many things is to do only one thing at once.
You can't try to do things; you simply must do them.
I can't do nothing just a little.
You can achieve only that which you will do.
You can do what you think you can do and you cannot do what you think you cannot.
I can only do what I can do.
We cannot do everything at once, but we can do something at once.