老骥伏枥，志在千里 (老驥伏櫪，志在千里) lǎojì fú lì, zhì zài qiān lǐ

lǎojì fú lì, zhì zài qiān lǐ phrase an old steed in the stable still aspires to gallop 1000 miles
Domain: Proverb 谚语
Notes: (CC-CEDICT '老驥伏櫪，志在千里')