Only the gentle are ever really strong.

Rudeness is a weak imitation of strength.

If your determination is fixed, I do not counsel you to despair. Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.

Anxiety does not empty tomorrow of its sorrows, but only empties today of its strength.

There are dark shadows on the earth, but its lights are stronger in the contrast.

There are two ways of exerting one's strength: one is pushing down, the other is pulling up.

A single twig breaks, but the bundle of twigs is strong.

The strong man is the one who is able to intercept at will the communication between the senses and the mind.

The days of our lives, for all of us, are numbered. We know that. And yes, there are certainly times when we aren't able to muster as much strength and patience as we would like. It's called being human.

Strength is the capacity to break a chocolate bar into four pieces with your bare hands - and then eat just one of the pieces.