"Old age is not a matter for sorrow. It is matter for thanks if we have left our work done behind us." — Thomas Carlyle

Blessed is he who has found his work; let him ask no other blessedness.

What we become depends on what we read after all of the professors have finished with us. The greatest university of all is a collection of books.

Permanence, perseverance and persistence in spite of all obstacles, discouragements, and impossibilities: It is this, that in all things distinguishes the strong soul from the weak.

Wondrous is the strength of cheerfulness, and its power of endurance - the cheerful man will do more in the same time, will do it; better, will preserve it longer, than the sad or sullen.