Observe, Remember, Compare.

I Have Heard Articulate Speech Produced By Sunlight I Have Heard A Ray Of The Sun Laugh And Cough And Sing! … I Have Been Able To Hear A Shadow, And I Have Even Perceived By Ear The Passage Of A Cloud Across The Sun's Disk.

Grand Telegraphic Discovery Today … Transmitted Vocal Sounds For The First Time ... With Some Further Modification I Hope We May Be Enabled To Distinguish … The “timbre” Of The Sound. Should This Be So, Conversation Viva Voce By Telegraph Will Be A Fait Accompli.

When One Door Closes, Another One Opens.

Don't Keep Forever On The Public Road, Going Only Where Others Have Gone And Following One After The Other Like A Flock Of Sheep. Leave The Beaten Track Occasionally And Dive Into The Woods.

Washington Is No Place In Which To Carry Out Inventions