You're blessed if you have the strength to work.
To be capable of steady friendship or lasting love, are the two greatest proofs, not only of goodness of heart, but of strength of mind.
The kind of beauty I want most is the hard-to-get kind that comes from within - strength, courage, dignity.
Whoever knows it also knows that in love there is no More and no Less but that he who loves can only love with the whole heart, and with the whole soul with all his strength and with all his will.
All species capable of grasping this fact manage better in the struggle for existence than those which rely upon their own strength alone: the wolf, which hunts in a pack, has a greater chance of survival than the lion, which hunts alone.
Prayer is more than meditation. In meditation, the source of strength is one's self. When one prays, he goes to a source of strength greater than his own.
'Tis skill, not strength, that governs a ship.
The awareness of our own strength makes us modest.
A powerful idea communicates some of its strength to him who challenges it.
It is only necessary to have courage, for strength without self-confidence is useless.