UnScramble this Word: i n i g p l t r?

Questions

"------------- is not ours to recover, but tomorrow is ours to win or lose."- Lyndon B. Johnson?

"'He means well' is ----------- unless he does well."- Plautus?

"You always smile but in your eyes your ----------- shows."- William Peter Horn?

"He must have a truly ------------ nature, for he weeps when there is nothing at all to weep about."- Oscar Wilde?

"He that always gives way to others will end in having no ----------- of his own."- Aesop?