If you are upset, you will lack the self-command to hear opposing views, without which you cannot even stand wisely on your own.
Altogether his self-command was creditable to Janet's tuition.
When she spoke again her voice had regained its self-command.
Perhaps it would be more correct to say, that she possessed that self-command which forbids emotion to appear on the surface.
For the moment his own serenity and self-command were shaken.
Never, I suppose, was Margaret's power of self-command more sorely tried.
Mr. Excell soon recovered his self-command, and his voice cleared.
In that momentary calmness, he felt so strong and so rejoiced in his self-command that his spirit seemed to spurn its casket.
By a mighty effort of self-command, however, he recovered himself.
His countenance was the mirror, in which she saw her own emotions reflected, and it roused her to self-command.