He has the right to criticize who has the heart to help.
Abraham Lincoln

Unless someone like you cares a whole awful lot, nothing is going to get better. It's not.
Dr. Seuss

I am only one, but I am one. I cannot do everything, but I can do something. And I will not let what I cannot do interfere with what I can do.
Edward Everett Hale

It is the greatest of all mistakes to do nothing because you can only do little - do what you can.
Sydney Smith

Nobody made a greater mistake than he who did nothing because he could only do a little.
Edmund Burke