There are four million different kinds of animals and plants in the world. That’s four million solutions to the problem of staying alive.
Every form of addiction is bad, no matter whether the narcotic be alcohol, morphine or idealism.
I just invent, then wait until man comes around to needing what I've invented.
Who makes us ignorant? We ourselves. We put our hands over our eyes and weep that it is dark.
There seems to be some perverse human characteristic that likes to make easy things difficult.
If you talk to a man in a language he understands, that goes to his head. If you talk to him in his language, that goes to his heart.
Though I love my country, I do not love my countrymen.
Man is made or unmade by himself. By the right choice he ascends. As a being of power, intelligence, and love, and the lord of his own thoughts, he holds the key to every situation.
Our true nationality is mankind.
Sickness is mankind's greatest defect.
Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.
All of humanity's problems stem from man's inability to sit quietly in a room alone.
Ever more people today have the means to live, but no meaning to live for.
People demand freedom of speech as a compensation for the freedom of thought which they seldom use.
We are not enemies, but friends. We must not be enemies. Though passion may have strained, it must not break our bonds of affection. The mystic chords of memory will swell when again touched, as surely they will be, by the better angels of our nature.
The U.S. Census Bureau acknowledged this fact when it reported that those with a bachelor's degree earn on average $1 million more over their lifetime than those with only a high school diploma.
We have to heal our wounded world. The chaos, despair, and senseless destruction we see today are a result of the alienation that people feel from each other and their environment.
It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.
Human history is in essence a history of ideas.
A man sooner or later discovers that he is the master-gardener of his soul, the director of his life.
Dignity does not consist in possessing honours, but in deserving them.
