I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.
The first human who hurled an insult instead of a stone was the founder of civilization.
It’s extraordinary how self-obsessed human beings are. There is so much more out there than what connects to us.
All is in the hands of man. Therefore wash them often.
I just invent, then wait until man comes around to needing what I've invented.
A person's a person, no matter how small.
Not only will we have to repent for the sins of bad people; but we also will have to repent for the appalling silence of good people.
Every form of addiction is bad, no matter whether the narcotic be alcohol, morphine or idealism.
A wise man can play the part of a clown, but a clown can't play the part of a wise man.
He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.
Some people seem to fade away but then when they are truly gone, it's like they didn't fade away at all.
A desire to be observed, considered, esteemed, praised, beloved, and admired by his fellows is one of the earliest as well as the keenest dispositions discovered in the heart of man.
Ever more people today have the means to live, but no meaning to live for.
Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.
What sunshine is to flowers, smiles are to humanity. These are but trifles, to be sure; but scattered along life's pathway, the good they do is inconceivable.
If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.
The world would be happier if men had the same capacity to be silent that they have to speak.
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.
Progress of mankind is progress of mind and intellect.
Family not only need to consist of merely those whom we share blood, but also for those whom we'd give blood.
All of humanity's problems stem from man's inability to sit quietly in a room alone.