वसन्त यौवना वृक्षाः पुरुषा धन यौवनाः ।
सौभाग्य यौवना नार्यो युवानो बुद्धि यौवनाः ॥

Meaning:
The spring is the youth of trees, wealth is the youth of men, beauty is the youth of women and intelligence is the youth of the young.