More quotes by Alexander Graham Bell
Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.
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Attempt the end, and never stand to doubt;
Nothing's so hard but search will find it out.
All theory is against the freedom of the will; all experience for it.
Attribution
Quote text and notes from Wikiquote: Alexander Graham Bell (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.