There's Nothing Wrong With Things Taking Time.

Designing Aircraft And Racing Cars Is An Extremely Exciting Thing.

If You Invent Something, You're Doing A Creative Act. It's Like Writing A Novel Or Composing Music. You Put Your Heart And Soul Into It, And Money. It's Years Of Your Life, It's Your House Remortgaged, Huge Emotional Investment And Financial Investment.

Enjoy Failure And Learn From It. You Never Learn From Success.

Don't Listen To Experts.

I Made 5,127 Prototypes Of My Vaccum Before I Got It Right. There Were 5,126 Failures. But I Learned From Each One. That’s How I Came Up With A Solution. So I Don’t Mind Failure.