"beauty"
"death"
"perseverance"
"gratitude"
"creativity"
"justice"
"patience"
"kindness"
"strength"
"power"
"money"
"health"
"adventure"
"The wireless telegraph is not an invention of mine, so much as the discovery of a new principle"Science
"Nothing will ever be attempted if all possible objections must first be overcome"Courage
"The day may come when postal authorities worldwide will find half their business gone to the wireless"Technology
"You can change the world, but first you must change yourself"Change
"I have always thought that it is as inhuman to think oneself infallible as it is to find pleasure in killing"Philosophy
"The present is theirs; the future, for which I really worked, is mine"Time
"Man's greatest achievement has been the harnessing of invisible forces"Success
"Every discovery is an accident, yet every accident requires a prepared mind"Knowledge
"I have traveled the world, yet found myself only through my work"Work
"The greatest obstacle to progress is the belief that progress is impossible"Motivation
"You must have faith in yourself when others have none"Faith
"Telegraph wires will eventually connect every corner of the earth"Imagination
"The mind that thinks it knows everything learns nothing more"Wisdom
"I did not invent the wireless; I merely showed the world what was already possible"
"Peace between nations begins with understanding across distances"Peace
"The true inventor is he who sees what others overlook"Creativity
"Perseverance is not the absence of doubt, but the courage to continue despite it"Perseverance