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.
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.
He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.
More than 26,000 lives may be lost to the effects of drug abuse this year. This tragic impact is felt in communities across this great nation. Sadly many of these deaths occur among our young people.
Great men are like eagles, and build their nest on some lofty solitude.
Some people seem to fade away but then when they are truly gone, it's like they didn't fade away at all.
There seems to be some perverse human characteristic that likes to make easy things difficult.
Progress of mankind is progress of mind and intellect.
A man is not rightly conditioned until he is a happy, healthy, and prosperous being; and happiness, health, and prosperity are the result of a harmonious adjustment of the inner with the outer of the man with his surroundings.
The world would be happier if men had the same capacity to be silent that they have to speak.
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
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.
A man's first care should be to avoid the reproaches of his own heart.
By providing students in our Nation with such an education, we help save our children from the clutches of poverty, crime, drugs, and hopelessness, and we help safeguard our Nation's prosperity for generations yet unborn.
Who makes us ignorant? We ourselves. We put our hands over our eyes and weep that it is dark.
A wise man can play the part of a clown, but a clown can't play the part of a wise man.
We may have different religions, different languages, different colored skin, but we all belong to one human race.
People who know little are usually great talkers, while men who know much say little.
Treat people as if they were what they ought to be, and you help them to become what they are capable of being.
A question that sometimes drives me hazy: Am I, or the others, crazy?