The purely agitational attitude is not good enough for a detailed consideration of a subject.

The purely agitation attitude is not good enough for a detailed consideration of a subject.

If something is not good enough, stop doing it.

My voice is not good enough for me to sing a song.

To be in good moral condition requires at least as much training as to be in good physical condition.

Don't ever feel that your not good enough for them, they are the ones not good enough for you