"You reap what you sow!" How does this saying relate to school and life

The effort you put in is what you get, ie. if i put in low effort to a test im going to get a bad grade

Explanation:

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

a) madame podtochina used witchcraft to make it disappear.