Good teachers cost a lot; but, poor teachers cost a lot more.
A bacteriologist is a man whose conversation always start with the germ of an idea.
The secret of successful writing lies in striking the right keys on the typewriter.
We can't do much about the length of our lives, but we can do plenty about it's width and depth.
Think twice before you speak, and then you may be able to say something more insulting than if you spoke right out at once.
The car was invented as a convenient place to sit out traffic jams