Authentically 'Abdul-Baha?

Recently I came across a poster on facebook bearing the text:

“The fact that we imagine ourselves to be right and everybody else wrong is the greatest of all obstacles in the path towards unity, and unity is necessary if we would reach truth, for truth is one. – ‘Abdul-Baha”

I loved the design: a hazy globe surrounded by an electric green mist, and the plain bold capital letter font, but then I doubted that colloquial phrases such as “the fact that” and “the path towards unity” would be part of ‘Abdul-Baha’s vocabulary. So I asked Sen (who can read Persian) to look for me.

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