Research: the distance between an idea and its realization.
Whatever course you have chosen for yourself, it will not be a chore but an adventure if you bring to it a sense of the glory of striving.
The thrill, believe me, is as much in the battle as in the victory.
We cannot banish dangers, but we can banish fears. We must not demean life by standing in awe of death.
The will to persevere is often the difference between failure and success.
Work and live to serve others, to leave the world a little better than you found it and garner for yourself as much peace of mind as you can. This is happiness.