Nothing is impossible; there are ways that lead to everything, and if we had sufficient will we should always have sufficient means. It is often merely for an excuse that we say things are impossible.
~ Francois de la Rochefoucauld
We are not in a position in which we have nothing to work with. We already have capacities, talents, direction, missions, and callings.
~ Abraham H. Maslow
Hold yourself responsible for a higher standard than anybody else expects of you, never excuse yourself.
~ Henry Ward Beecher
An excuse is worse than a lie, for an excuse is a lie, guarded.
~ Alexander Pope
We have forty million reasons for failure, but not a single excuse.
~ Rudyard Kipling