“The only sure way to avoid making mistakes is to have no new ideas.”

“It is important to foster individuality, for only the individual can produce the new ideas.”

“Anyone who has never made a mistake has never tried anything new.”

“No one does anything right in life, until they realize that they are making a mistake”

“Pure mathematics is in its way the poetry of logical ideas.”

“everyday is an oportunity to make a new happy ending.........”

“You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat.”