Write relevant ancient poems according to the situation.

1. As the saying goes, "Young people who don't work hard are sad." If primary and secondary schools don't lay a good foundation, how can they pursue further studies in the future?

2. There is an old saying in China that "the road is bumpy, draw your sword to help." It can be seen that being brave is the virtue of the Chinese nation since ancient times.

Grandpa's 70th birthday, friends and relatives came to congratulate him. Everyone wished grandpa "happiness as the East China Sea and longevity as the South Mountain", but grandpa sighed.

Zhou Yu of Zhuge Liang advocated "fire attack" to deal with Cao Cao.

"Everything is ready, except for the east wind", and the newly built teaching building can only be moved in if it is connected with a water pipe.