Progressing in life can be analogous to building a brick wall. There is only one way to build a brick wall, and that is one brick at a time.
There is only one way to get fitter, and that is one workout at a time.
The student who is learning at school can only get better one assignment at a time.
Sometimes it can be disheartening to think of the long road ahead in any endeavour.
The trick here is to focus on laying your brick for the day.