Nobody knows whether our personalities pass on to another existence or sphere, but if we can evolve an instrument so delicate to be manipulated by our personality as it survives in the next life such an instrument ought to record something.

Because I readily absorb ideas from every source - frequently starting where the last person left off - I never pick up an item without thinking of how I might improve it.

The great trouble is that the preachers get the children from six to seven years of age and then it is almost impossible to do anything with them.

A failure teaches you that something can't be done-that way.

I find out what the world needs. Then I go ahead and try to invent it

We don't know a millionth of one percent about anything.

When there's no experimenting there's no progress. Stop experimenting and you go backward. If anything goes wrong, experiment until you get to the very bottom of the trouble.