What two powers are lacking when we wish to remain set on the seat of remembrance very well, but only remain set for a short while and then start fidgeting?

The power of concentration and the power of determination.-although you want to remain set on the seat of remembrance very well, you only remain set for a short time, you then start fidgeting. just like little children would definitely start to fidget if you make them sit on a seat for a long time, so too, if your mind is not under control, if it is not in order, you only remain seated well for a short time. you progress and also do service, but, sometimes, you are set and sometimes you become upset. what is the reason for that? you wish to be set, so why do you become upset? what is the reason for that? you lack the power of concentration and the power of determination.