Exploring is delightful to look forward to and back upon, but it is not comfortable at the time, unless it be of such an easy nature as not to deserve the name.

-Butler, Samuel
  Erewhon.

ExcusemewhileIslip intosomething more comfortable.

-Harlow,Jean pseudonym of  Harlean Carpentier
  Line delivered in Hell's  Angels (screenplay by Howard Estabrook and Harry Behn).

TheWhite House†a palacemore comfortablethanthat of most kings.

-Hoover, Herbert Clark
  The Memoirs of Herbert Hoover, vol.2.

When people are too comfortable, it is not possible to restrain them within the bounds of their duty† They may be compared to mules who, being accustomed to burdens, are spoilt by rest rather than labour.

-Cardinal Richelieu
  Testament Politique.

How right it seemed that he should reach the span Of comfortable years allowed to man! Splendid to eat and sleep and choose a wife, Safe with his wound, a citizen of life. He hobbled blithely through the garden gate, And thought: 'Thank God they had to amputate!'

-Sassoon, Siegfried Louvain
  'The One-Legged Man'.

When you're at war you think about a better life; when you're at peace you think about a more comfortable one.

-Wilder,Thornton Niven
  The Skin of OurTeeth, act1.