it is only through continuous effort that true change is achieved
只有通过持续的努力，真正的改变才能实现。
该句使用强调句型突出唯一条件以表达因果关系。
"Tiny efforts, though unremarkable, can scale a ten-thousand-foot peak."
"Unless you are truly hardworking, do not indulge in self-deception."
"This inner light illuminated their paths, enabling them to achieve extraordinary lives."
"By thoughtfully considering how to live, one can always find a path to success."
"There is no shortcut in life; without earlier effort, later gains are impossible"