11.   For now, Irish artists seem hypnotized by the spectacle of an ancient land suddenly infused with youthful energy.

12.   He has deep creases around his eyes and on his cheeks but moves with youthful energy, bounding from chair to exam room to conference room.

13.   He exuded youthful energy and cockiness.

14.   His quiet old voice came alive with youthful energy.

15.   His youthful energy has been replaced with a more measured strength and vitality thta was especially noticeable in the depth and force of his voice.

16.   Lucy, radiant in beauty and youthful energy, soon rouses this group of artists and poseurs from slumber.

17.   One union official said she only wished unions were shrewd enough to know how to tap this pool of youthful energy.

18.   That youthful energy has been a plus for us this year.

19.   The song was fresh, spontaneous and brimming with youthful energy.

20.   The troops are all young because soldiering demands youthful energy, strength and confidence.