“By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.”

“Common sense is the genius of humanity.”

“Courage is knowing what not to fear.”

“There are only two mistakes one can make along the road to truth; not going all the way, and not starting.”

“It’s not what happens to you, but how you react to it that matters.”

“Make the best use of what is in your power, and take the rest as it happens.”

“Common sense is not so common.”

“Uneasy lies the head that wears a crown.”

“There is nothing either good or bad but thinking makes it so.”

“Better a witty fool than a foolish wit.”

“We know what we are, but know not what we may be.”

“To the mind that is still, the whole universe surrenders.”

“When I let go of what I am, I become what I might be.”

“Time is a created thing. To say ‘I don’t have time,’ is like saying, ‘I don’t want to.’”

“Do the difficult things while they are easy and do the great things while they are small. A journey of a thousand miles must begin with a single step.”

“The greatest enemy to human souls is the self-righteous spirit which makes men look to themselves for salvation.”

“Yesterday is gone. Tomorrow has not yet come. We have only today.”

“With the new day comes new strength and new thoughts.”

“People demand freedom of speech as a compensation for the freedom of thought which they seldom use”

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

“Raise your words, not voice. It is rain that grows flowers, not thunder.”

“What you seek is seeking you.”

“An unexamined life is not worth living.”

“There is only one good, knowledge, and one evil, ignorance.”

“Education is the kindling of a flame, not the filling of a vessel.”

“Wisdom begins in wonder.”

“Tenderness and kindness are not signs of weakness and despair, but manifestations of strength and resolution.”

“If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.”

“Unthinking respect for authority is the greatest enemy of truth.”

“The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.”

“Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.”

“Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom.”

“The greatest minds are capable of the greatest vices as well as the greatest virtues; those who go forward but very slowly can get further, if they always follow the right road, than those who are in too much of a hurry and stray off it.”