Human nature is not totally fixed, but on any realistic scale, evolutionary processes are much too slow to affect it.
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
A woman's chastity consists, like an onion, of a series of coats.
There is no marvel in a woman learning to speak, but there would be in teaching her to hold her tongue.
A person's a person, no matter how small.
If you can't say something good about someone, sit right here by me.
A person is a person because he recognizes others as persons.
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.
Challenging the meaning of life is the truest expression of the state of being human.
When people are protecting something truly special to them, they truly can become...as strong as they can be.
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.
Are we happy that our grandchildren may never seen an elephant except in a picture book?
In spite of everything, I still believe that people are really good at heart.
Treat people as if they were what they ought to be, and you help them to become what they are capable of being.
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.
I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.
There seems to be some perverse human characteristic that likes to make easy things difficult.
Private passions tire and exhaust themselves, public ones never.
These are people who are capable of devotion, public devotion, to justice. They meant what they said and every day that passes, they mean it more.
I just invent, then wait until man comes around to needing what I've invented.