True wisdom lies in admitting one's ignorance.

My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.

If a man treats life artistically, his brain is in his heart.

The coal industry has been the backbone of America's energy independence for generations.

文学的力量在于它能够让我们在世界上感到不那么孤独。