2. As soon as people's youth is over, there will be a beautiful mature period called autumn. At this time, the fruit of life, like cooked rice, is waiting for harvest in a beautiful and calm atmosphere. Tagore
Youth is happiness after all, because it has a future. Nicola Nikolai Gogol
The sensitivity and originality of young people can complement each other once they are combined with the rich knowledge and experience of mature scientists. William Lan Beardmore Beveridge
Explore knowledge while young, it will make up for the loss brought by old age. Wisdom is the nourishment of the spirit of old age, so work hard when you are young, so that you will not be empty when you are old. -Leonardo da Vinci
6, a hundred gold to buy a horse, a thousand gold to buy a beauty; Where can I buy youth if I buy a senior official? —— Qu Yuan