Youth is not a time of life, it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of imagination, a vigor of the emotions; it is the freshness of the deep springs of life. Youth means a temperamental predominance of courage over timidity, of the appetite for adventure over the love of ease. This often exists in a man of sixty more than a boy of twenty. Nobody grows old merely by a number of years. We grow old by deserting our ideals. Years may wrinkle the skin, but to give up enthusiasm wrinkles the soul. Worry fear self-distrust bows the heart and turns the spirit back to dust. Whether sixty or sixteen, there is in every human being’s heart the lure of wonders, the unfailing child-like appetite of what’s next, and the joy of the game of living. In the center of your heart and my heart there is a wireless station; so long as it receives messages of beauty, hope, cheer, courage, power from men and the infinite, so lon...