I pray Heaven to bestow the best of Blessings on this House and all that shall hereafter inhabit it. May none but honest and wise Men ever rule under this roof.

John Adams (1735–1826) American lawyer, Founding Father, statesman, US President (1797–1801)

Letter (1800-11-02) to Abigail Adams
    (Source)

Referring to the White House. Written the day after his arrival in Washington, DC. Adams was the first resident at the new (and unfinished) Executive Residence, though the cornerstone had been laid in 1792.