“Thinking is heavily endorsed.”
“Thought is made in the mouth.”
“You become what you think about.”
“Thought is the parent of the deed.”
“I think and that is all that I am.”
“As you think, so shall you become.”
“I thought so hard I got a headache.”
“The average person thinks he isn't.”
“Make not your thoughts you prisons.”
“Thought would destroy their paradise.”
“Sloppy thinking gets worse over time.”
“To find yourself, think for yourself.”
“Thought makes every thing fit for use.”
“He that never thinks can never be wise.”
“All grand thoughts come from the heart.”
“To think is to practice brain chemistry.”
“Carve every word before you let it fall.”
“To reflect is to disturb one's thoughts.”
“A man's what he thinks about all day long”
“Great thoughts always come from the heart.”
“Thought is the wind and knowledge the sail.”
“A man's life is what his thoughts make of it.”
“What was once thought can never be unthought.”
“Man's greatness lies in his power of thought.”
“Every thought we think is creating our future.”
“All thought is naught but a footnote to Plato.”
“Man is the only creature who has a nasty mind.”
“If I look confused it is because I am thinking.”
“I was a freethinker before I knew how to think.”
“Arouse the mind without resting it on anything.”