Politics is for the present, but an equation is for eternity.
Gravitation is not responsible for people falling in love.
A person who never made a mistake never tried anything new.
Try not to become a man of success, but rather try to become a man of value.
Logic will get you from A to B. Imagination will take you everywhere.
Look deep into nature, and then you will understand everything better.
The true sign of intelligence is not knowledge but imagination.
We cannot solve our problems with the same thinking we used when we created them.
The only source of knowledge is experience.
Education is what remains after one has forgotten what one has learned in school.
The difference between stupidity and genius is that genius has its limits.
To be good is noble; but to show others how to be good is nobler and no trouble.
I sometimes wonder if our world leaders are very smart and just putting us on, or very stupid and mean it.
But the elastic heart of youth cannot be kept compressed into one constrained shape long at a time.
Often, the less there is to justify a traditional custom, the harder it is to get rid of it.
Profound silence; silence so deep that even their breathings were conspicuous in the hush.
Every man is born to one possession which out values all his others - his last breath.
Prophesy is a good line of business, but it is full of risks.
Make the best o' things the way you find 'em.
The waves most washed me off the raft sometimes.
An honest politician is an oxymoron.
Wagner’s music is better than it sounds.
You can't pray a lie -- I found that out.
To believe yourself brave is to be brave; it is the one only essential thing.