Mark Twain says:

“It is better to remain silent and be thought a fool than to open one’s mouth and remove all doubt.”

Abraham Lincoln says:

"Let us have faith that right makes might, and in that faith, let us, to the end, dare to do our duty as we understand it." 

Mahatma Gandhi Says:

Mahatma Gandhi Says:

“Live as if you were

 to die tomorrow. 

Learn as if you were

 to live forever.”