志在四方
zhì zài sì fāng
Meaning: aspire to travel far and makes one's mark
Original: 你们立志到艰苦边远地区去、到练兵备战一线部队去、到党和人民最需要的地方去建功立业,我感到很欣慰。好男儿志在四方。希望你们坚定信念、脚踏实地,在部队大熔炉中全面锻炼、拼搏奋斗,不断成长进步,为强军事业贡献力量。
Source: Yesterday, Xi Jinping sent a letter of congratulations to the 2022 class of the Army Infantry Academy. It is highly unlikely that you will be interested in the contents of the letter, other than this chengyu that you can use in the future for graduation congratulations.