Never be discouraged, because every wrong turn attempt, when left behind you, is another step forward taking you closer to your goals.

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.

The radio craze will die out in time.

The only thing I use my body for is to carry my brain around.

I cannot believe in the immortality of the soul. No, all this talk of an existence for us, as individuals, beyond the grave is wrong. It is born of our tenacity of life - our desire to go on living - our dread of coming to an end.

A reporter called on Edison to interview him about a substitute for lead in the manufacture of storage batteries that the scientist was seeking. Edison informed the man that he had made 20,000 experiments but none had worked. "Aren't you discouraged by all this waste of effort?" the reporter asked. Edison: "Waste! There's nothing wasted. I have discovered 20,000 things that won't work."

A teacher sent the following note home with a six-year-old boy 'He is too stupid to learn.' That boy was Thomas A. Edison.