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• Because your own strength is unequal to the task, do not assume that it is beyond the powers of man; but if anything is within the powers and province of man, believe that it is within your own compass also.
  • Marcus Aurelius, Meditations, VI, 19

• When strength is yoked with justice, where is a mightier pair than they?
  • Aeschylus, Fragments, l. 298

• The Lord is my strength and my might, and he has become my salvation; this is my God, and I will praise him, my father’s God, and I will exalt him.
  • Exodus 15:2

• 9 And He said to me, “My grace is sufficient for you, for My strength is made perfect in weakness.” Therefore most gladly I will rather boast in my infirmities, that the power of Christ may rest upon me.
  • 2 Corinthians 12:9 (New King James Version)

• Strength is not if you can fight all evil that comes to you, and running away does not necessarily make you a coward. It’s walking in the dusk between light and dark, not crossing over either way, it takes true strength and courage to do this… it is too easy to fall either way.
  • Jerry Grant Blakeney

• O, it is excellent
  To have a giant’s strength, but it is tyrannous
  To use it like a giant.
  • William Shakespeare, Measure for Measure, Act 2, sc. 2 (1603)

• We all have strength enough to bear the misfortunes of others.
  • François de La Rochefoucauld, Maximes, no. 19 (1678)

• When we know our own strength, we shall the better know what to undertake with hopes of success; and when we have well surveyed the powers of our own minds, and made some estimate what we may expect from them, we shall not be inclined either to sit still, and not set our thoughts on work at all, in despair of knowing anything; nor on the other side, question everything, and declaim all knowledge, because some things are not to be understood.
  • John Locke, An Essay Concerning Human Understanding, Introduction, sec. 6 (1689)

• My strength is as the strength of ten,
  Because my heart is pure.
  • Alfred Tennyson, Sir Galahad, st. 1 (1842)

• To ask strength not to express itself as strength, not to be a will to dominate, a will to subjugate, a will to become master, a thirst for enemies and obstacles and triumphant celebrations, is just as absurd as to ask weakness to express itself as strength.
  • Friedrich Nietzsche, On the Genealogy of Morals, “First Essay,” section 13 (1887)

• For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.
  • Rudyard Kipling, The Second Jungle Book, "The Law of the Jungle", st. 2 (1895)

• The quality of strength lined with tenderness is an unbeatable combination, as are intelligence and necessity when unblunted by formal education.
  • Maya Angelou, I Know Why the Caged Bird Sings, ch. 29 (1969)

Unsourced

• Strength is Life. Weakness is Death.
  • Swami Vivekananda

• Greatness lies, not in being strong, but in the right using of strength; and strength is not used rightly when it serves only to carry a man above his fellows for his own solitary glory. He is the greatest whose strength carries up the most hearts by the attraction of his own.
  • Henry Ward Beecher

• He is greatest whose strength carries up the most hearts by the attraction of his own.
  • Henry Ward Beecher

• If you are strong, your strength will speak for itself; if you're weak, words will be of no help.
  • Anonymous

• Many a man's strength is in opposition, and when he faileth, he grows out of use.
  • Francis Bacon

• Nothing has more strength than dire necessity.
  • Euripides

• Physical strength can never permanently withstand the impact of spiritual force.
  • Franklin D. Roosevelt

• Strength does not come from physical capacity. It comes from an indomitable will.
  • Mohandas Gandhi

• If you're strong you may survive. One good thing is to keep on trying.
  • Swami Raj

• Strength does not come from winning. Your struggles develop your strengths. When you go through hardships and decide not to surrender, that is strength.
  • Arnold Schwarzenegger

• Strength instead of being the lusty child of passion, grows by grappling with and subduing them.
  • J. M. Barrie

• Strength is a matter of the made-up mind.
  • John Beecher

• Strength is Happiness. Strength is itself victory. In weakness and cowardice there is no happiness. When you wage a struggle, you might win or you might lose. But regardless of the short-term outcome, the very fact of your continuing to struggle is proof of your victory as a human being.
  • Daisaku Ikeda

• Strength lies not in defence but in attack.
  • Adolph Hitler

• Strength Through Adversity
  • Anonymous

• We acquire the strength we have overcome.
  • Ralph Waldo Emerson