constantly strive to become stronger; exert oneself incessantly; make unremitting (/unceasing) efforts to improve(/strengthen) oneself/“对”，黎纪纲点了点头，“你的话对我有启发，我们应该这样，永远～！”(罗广斌、杨益言《红岩》83) Li Jigang nodded.“what you said has made me think. We should strive unceasingly.”
自强不息
ceaseless self-improvement;make unremitting efforts at self-improvement; constantly strive to become stronger
天行健，君子以～。(《周易·乾》) The operation of Nature is vigorous,Men work hard to improve themselves.(reference to the Books of Changes)
自强不息zì qiánɡ bù xī
形容自觉努力奋发向上，永远不懈怠。make unceasing efforts to improve oneself, constantly strive to become stronger