"It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt."
— Abraham Lincoln

"In the end, we will remember not the words of our enemies, but the silence of our friends."
— Martin Luther King Jr.

"History will be kind to me for I intend to write it."
— Winston S. Churchill

"I am so clever that sometimes I don't understand a single word of what I am saying."
— Oscar Wilde

"I like living. I have sometimes been wildly, despairingly, acutely miserable, racked with sorrow; but through it all I still know quite certainly that just to be alive is a grand thing."
— Agatha Christie

"There is no expedient to which a man will not go to avoid the real labor of thinking."
— Thomas A. Edison