Whether we think we can or cannot, we are right.

There are people who say they can , others they can not . In general, they are all right .

Those who walk with God always reach their destination.

We teach children to save their money. As an attempt to counteract thoughtless and selfish expenditure, that has value. But it is not positive; it does not lead the child into the safe and useful avenues of self-expression or self-expenditure. To teach a child to invest and use is better than to teach him to save.

Economy has frequently nothing whatever to do with the amount of money being spent, but with the wisdom used in spending it.

I invented nothing new, I simply assembled the discoveries of other men behind whom there was centuries of work.

The time is coming when man will be able to determine the length of his lifespan by controlling his diet.