The Royal Family: The relation Princess Margaret is to Princess Anne.?

Questions

"Honest --------------- is often a good sign of progress."- Mohandas K. Ghandi?

"------------ has ruined more marriages than infidelity."- Charles McCabe?

"Houston, Tranquility Base here. The ----------- has landed."- Neil Alden Armstrong?

"How is it that the person in front of you at the --------------- always has one item that requires a summit conference?"- JoAnn Thomas?

"How much better to know that we have dared to live our --------- than to live our lives in a lethargy of regret."- Gilbert Caplin?