"Let your smile change the world, but don't let the world change your smile."

"Once you replace negative thoughts with positive ones, you'll start having posit..."

"Choose to be optimistic, it feels better."

"Happiness depends upon ourselves."

"Every day may not be good, but there's something good in every day."

"The pessimist sees difficulty in every opportunity. The optimist sees opportunit..."

"You cannot have a positive life and a negative mind."

"Dwell on the beauty of life. Watch the stars, and see yourself running with them..."