"Without action nothing in the material world can be accomplished..."

"Let your actions cry aloud to the world that you are indeed Bahá’ís, for it is actions that speak to the world and are the cause of the progress of humanity.

If we are true Bahá’ís speech is not needed. Our actions will help on the world, will spread civilization, will help the progress of science, and cause the arts to develop. Without action nothing in the material world can be accomplished, neither can words unaided advance a man in the spiritual Kingdom. It is not through lip-service only that the elect of God have attained to holiness, but by patient lives of active service they have brought light into the world.

Therefore strive that your actions day by day may be beautiful prayers. Turn towards God, and seek always to do that which is right and noble. Enrich the poor, raise the fallen, comfort the sorrowful, bring healing to the sick, reassure the fearful, rescue the oppressed, bring hope to the hopeless, shelter the destitute!

This is the work of a true Bahá’í, and this is what is expected of him. If we strive to do all this, then are we true Bahá’ís, but if we neglect it, we are not followers of the Light, and we have no right to the name."

'Abdu'l-Baha, Paris Talks p.80-81

"The first and foremost duty prescribed unto men..."

"The first and foremost duty prescribed unto men, next to the recognition of Him Who is the Eternal Truth, is the duty of steadfastness in His Cause. Cleave thou unto it, and be of them whose minds are firmly fixed and grounded in God. No act, however meritorious, did or can ever compare unto it. It is the king of all acts, and to this thy Lord, the All-Highest, the Most Powerful, will testify….
The virtues and attributes pertaining unto God are all evident and manifest, and have been mentioned and described in all the heavenly Books. Among them are trustworthiness, truthfulness, purity of heart while communing with God, forbearance, resignation to whatever the Almighty hath decreed, contentment with the things His Will hath provided, patience, nay, thankfulness in the midst of tribulation, and complete reliance, in all circumstances, upon Him. These rank, according to the estimate of God, among the highest and most laudable of all acts. All other acts are, and will ever remain, secondary and subordinate unto them…."
-Baha'u'llah, Gleanings from the Writings of Baha'u'llah, p. 290