As they say, thoughts are things. All things in your life have a thought that precedes them. In other words, if you want to transform your life for the better, you need to change the content and tone of the thoughts.
In the meantime, here is a list of thoughts sayings to ponder over.
"To find yourself, think for yourself." - Socrates
"Nurture your mind with great thoughts, for you will never go any higher than you think." - Benjamin Disraeli
“Man's greatness lies in his power of thought.” - Blaise Pascal
"A man's life is what his thoughts make of it." - Marcus Aurelius
"Success is a state of mind. If you want success, start thinking of yourself as a success." - Dr. Joyce Brothers
"A man is but the product of his thoughts. What he thinks, he becomes." - Mahatma Gandhi
"Every action has an ancestor of a thought." - Ralph Waldo Emerson
"What we are today comes from our thoughts of yesterday, and our present thoughts build our life of tomorrow: Our life is the creation of our mind." - Buddha
"Think like a man of action, and act like a man of thought." - Henri Bergson
"Nothing is good or bad, but thinking makes it so." - William Shakespeare
"I have about concluded that wealth is a state of mind, and that anyone can acquire a wealthy state of mind by thinking rich thoughts."- Andrew Young
"Men are not prisoners of fate, but only prisoners of their own minds." - Franklin D. Roosevelt
"Learning without thought is labor lost; thought without learning is perilous." - Confucius
"We don't live in a world of reality, we live in a world of perceptions." - Gerald J. Simmons
"Remember, happiness doesn't depend upon who you are or what you have; it depends solely upon what you think." - Dale Carnegie
"You live with your thoughts -- so be careful what they are." - Eva Arrington
"Most folks are about as happy as they make up their mind to be." - Abraham Lincoln
“Thoughts mixed with definiteness of purpose, persistence, and a burning desire are powerful things.” - Napoleon Hill
"I can give you a six-word formula for success: Think things through, then follow through." - Captain Edward V. Rickenbacker
"Great thoughts reduced to practice become great acts." - William Hazlitt
"Whatever your mind can conceive and can believe, it can achieve." - Napoleon Hill
“Thoughts are the shadows of our feelings - always darker, emptier and simpler.” - Friedrich Nietzsche
“What we think, we become.” - Buddha
“We are what we think. All that we are arises with our thoughts. With our thoughts, we make the world.” - Buddha
“A man is what he thinks about all day long.” - Ralph Waldo Emerson
“Change your thoughts, and you change your world” - Norman Vincent Peale
“Always aim at complete harmony of thought and word and deed. Always aim at purifying your thoughts and everything will be well.” - Mahatma Gandhi
“Thought is the sculptor who can create the person you want to be.” - Henry David Thoreau
“Thought is the blossom; language the bud; action the fruit behind it” - Ralph Waldo Emerson
“You are today where your thoughts have brought you; you will be tomorrow where your thoughts take you.” - James Allen
“Such as are your habitual thoughts, such also will be the character of your mind; for the soul is dyed by the thoughts” - Marcus Aurelius