Alexander Graham Bell

"When faced with a problem, I do not think of its difficulty, but of its possibility."

"The inventor is a person who looks at the world and says, 'I can do better than that.'"

"Education is not the filling of a pail, but the lighting of a fire."

"Success in life depends less on talent than upon perseverance."

"The telephone may be of some use, but I do not see how it can ever replace the telegraph."

"The present is theirs; the future, for which I really worked, is mine."

"Genius is the capacity for seeing relationships where others see unrelated facts."

"When we are young, we believe that life is a great adventure; as we grow older, we realize it is a series of small adventures."

"The only man who never makes mistakes is the man who never tries anything new."

"Do not follow where the path may lead. Go instead where there is no path and leave a trail."

"Concentrate not on what is difficult, but on what is possible."

"The most successful people are those who are good at plan B."

"Every phenomenon which nature presents must have a rational explanation."

"Communication is at the heart of human progress."

"When a man has reached a certain age, he should either get better or get out of the way."

"The inventor looks beyond the horizon and sees possibilities others cannot."

"I believe that ability is a flame which must be fed; otherwise it ceases to exist."

"What this world needs is more geniuses with humility. There are so few of us left."

"The man who does not read has no advantage over the man who cannot read."

"Take the attitude of a student, never be too big to ask questions, never know too much to learn something new."

"Optimism is the foundation of courage. It is the belief in the possibility of a better tomorrow."

"Nature always wears the colors of the spirit."

"True success is not measured by what you have achieved, but by the lives you have touched."

"The mark of a great mind is its ability to entertain a new idea without accepting it."

"The practical value of invention is not always immediately apparent."

"I want to make a mark on the world, not just pass through it."

"The difference between the rich and the poor is not merely financial; it is often intellectual."

"Men are not created equal in their talents, but they are equal in their dignity."

"The best way to predict the future is to invent it."

"Adversity is the best school from which to learn the truth about yourself."