1901  We are in the habit of exaggerating or imagining or anticipating sorrow. We are torn by things present or about things yet to come. Consider whether your proofs of future troubles are sure. For it is more often the case that we are troubled by our apprehensions.
1985  "Be the change you want to see in this world."
2348  The indispensable first step to getting the things you want out of life is this: decide what you want.
2047  When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us.
2971  “Do not let your fire go out, spark by irreplaceable spark in the hopeless swamps of the not-quite, the not-yet, and the not-at-all. Do not let the hero in your soul perish in lonely frustration for the life you deserved and have never been able to reach. The world you desire can be won. It exists.. it is real.. it is possible.. it's yours.”