Arthur Conan Doyle — "What one man can invent another can discover."
What one man can invent another can discover.
What one man can invent another can discover.
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"Any truth is better than indefinite doubt."
"The true meaning of life is to serve humanity."
"My mind rebels at stagnation. Give me problems, give me work, give me the most abstruse cryptogram, or the most intricate analysis, and I am in my own proper atmosphere."
"You see, but you do not observe."
"The greatest victory is over oneself."
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