FastSaying
Any belief worth having must survive doubt
Charles F. Kettering
Belief
Doubt
Worth
Related Quotes
Believe and act as if it were impossible to fail.
— Charles F. Kettering
Belief
High achievement always takes place in the framework of high expectation.
— Charles F. Kettering
Expectation
Thinking is one thing no one has ever been able to tax.
— Charles F. Kettering
Taxation
Our imagination is the only limit to what we can hope to have in the future.
— Charles F. Kettering
An inventor is simply a fellow who doesn't take his education too seriously.
— Charles F. Kettering
Femme fatal