“It is only with the heart that one can see rightly. What is essential is invisible to the eye.” This is pretty much meaning that you need to think correctly to be able to understand most things.
Answer:
The most substantial thesis for this essay is about volunteering is the one presented in option D because, by taking some time before volunteering, people will have the opportunity to check all the types of volunteer work are available and which is more in line with their talents and availability. The goal is not to only benefit oneself but to be more of significant help for the project.
Explanation: