He, who will not reason, is a bigot; he, who cannot, is a fool; and he, who dares not, is a slave.
People don't like reality, they don't like common sense, until age forces it on them.
Reason is the shadow cast by God; God is the sun.
The whole duty of man consists in being reasonable and just.
The surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.
Reason is the life of the law; nay, the common law itself is nothing else but reason.
I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forego their use.
In view of the fact that God limited the intelligence of man, it seems unfair that he did not also limit his stupidity.
Sickness is the first warning that we have made a wrong judgement. A healthy person is never unhappy.
The power of Heart is much stronger than the power of Mind to empower our life.
Instinct is the nose of the mind.
Instinct is intelligence incapable of self-consciousness.
Trust your own instinct. Your mistakes might as well be your own, instead of someone else's.
I would rather trust a woman's instinct than a man's reason.
Human reason is by nature architectonic.
Few people think more than two or three times a year; I have made an international reputation for myself by thinking once or twice a week.
The ability to focus attention on important things is a defining characteristic of intelligence.
Thinking is hard work, which is why you don't see a lot of people doing it.
Property may be destroyed and money may lose it's purchasing power; but, character, health, knowledge, and good judgement will always be in demand under all conditions.
Superstition is the poetry of life.
Intellectuals solve problems, geniuses prevent them.
Ideas are like rabbits. You get a couple and learn how to handle them, and pretty soon you have a dozen.
All war is a symptom of man's failure as a thinking animal.
Common sense is the collection of prejudices acquired by age eighteen.
You never really understand a person until you consider things from his point of view.
Thinking: the talking of the soul with itself.
Dig the well before you are thirsty.
Well, me don't swim too tough so me don't go in the water too deep.
All riches have their origin in mind. Wealth is in ideas - not money.
Common sense is unhealthy for dreams.
Do not condemn the judgement of another because it differs from your own. You may both be wrong.
Habit is stronger than reason.
If you don't understand yourself you don't understand anybody else.
An idea ran back and forward in his head like a blind man, knocking over the solid furniture.
Two excesses: to exclude reason, to admit nothing but reason.
Life is lived forwards and understood backwards.
Every path to a new understanding begins in confusion.
Intelligence complicates. Wisdom simplifies.
Only small minds are impressed by large numbers.
Democracy is a government where you can say what you think even if you don't think.
Literature is strewn with the wreckage of those who have minded beyond reason the opinion of others.
Words, like glasses, obscure everything they do not make clear.
The head never rules the heart, but just becomes its partner in crime.
What one doesn't understand one doesn't possess.
Some people look intelligent when they wear glasses, but it's only an optical illusion.
Intellectuals have opinions on subjects they just heard about five minutes ago.
Life has taught me to think, but thinking has not taught me to live.
The world has always gone through periods of madness so as to advance a bit on the road to reason.
