Demosthenes

"You can't use up creativity. The more you use, the more you have."

"The secret of getting ahead is getting started."

"Life shrinks or expands in proportion to one's courage."

"The biggest room in the world is the room for improvement."

"What lies behind us and what lies before us are tiny matters compared to what lies within us."

"You are never too old to set another goal or to dream a new dream."

"The future is already here, it's just not evenly distributed."

"There is only one way to happiness and that is to cease worrying about things beyond our control."

"Everything we want is just outside our comfort zone."

"The person who says it cannot be done should not interrupt the person doing it."

"Failure is simply the opportunity to begin again more intelligently."

"A smooth sea never made a skillful sailor."

"The greatest prison people live in is the fear of what other people think."

"The man who moves a mountain begins by carrying away small stones."

"What we fear doing most is usually what we most need to do."

"The only limit to our realization of tomorrow will be our doubts of today."

"Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do."

"I have not failed, I've just found 10,000 ways that won't work."

"The greatest enemy of knowledge is not ignorance, but the illusion of knowledge."

"We cannot live only for ourselves. A thousand fibers connect us with our fellow men; and among those fibers, as sympathetic threads, we feel their joys and sorrows."

"The mind is everything. What you think you become."

"A man is not old until regrets take the place of dreams."

"The only way out is through."

"Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure."

"You are the sum total of your choices."

"The greatest discovery of my generation is that a person can change his life by merely changing his attitude."

"The question isn't who is going to let me; it's who is going to stop me."

"Success is walking from failure to failure with no loss of enthusiasm."

"The way to see by faith is to shut the eye of reason."

"Tell me and I forget. Teach me and I may remember. Involve me and I learn."