The “basic and distinguishing principles” of the Baha’i Faith – the Guardian summarizes

• “The independent search after truth, unfettered by superstition or tradition;
•  the oneness of the entire human race, the pivotal principle and fundamental doctrine of the Faith;
• the basic unity of all religions;
• the condemnation of all forms of prejudice, whether religious, racial, class or national;
• the harmony which must exist between religion and science;
• the equality of men and women, the two wings on which the bird of human kind is able to soar;
• the introduction of compulsory education;
• the adoption of a universal auxiliary language;
• the abolition of the extremes of wealth and poverty;
• the institution of a world tribunal for the adjudication of disputes between nations;
• the exaltation of work, performed in the spirit of service, to the rank of worship;
• the glorification of justice as the ruling principle in human society, and of religion as a bulwark for the protection of all peoples and nations; and
• the establishment of a permanent and universal peace as the supreme goal of all mankind.”

It was in the course of these epoch-making journeys and before large and representative audiences, at times exceeding a thousand people, that ‘Abdu’l-Bahá expounded, with brilliant simplicity, with persuasiveness and force, and for the first time in His ministry, those basic and distinguishing principles of His Father’s Faith, which together with the laws and ordinances revealed in the Kitáb-i-Aqdas constitute the bed-rock of God’s latest Revelation to mankind. The independent search after truth, unfettered by superstition or tradition; the oneness of the entire human race, the pivotal principle and fundamental doctrine of the Faith; the basic unity of all religions; the condemnation of all forms of prejudice, whether religious, racial, class or national; the harmony which must exist between religion and science; the equality of men and women, the two wings on which the bird of human kind is able to soar; the introduction of compulsory education; the adoption of a universal auxiliary language; the abolition of the extremes of wealth and poverty; the institution of a world tribunal for the adjudication of disputes between nations; the exaltation of work, performed in the spirit of service, to the rank of worship; the glorification of justice as the ruling principle in human society, and of religion as a bulwark for the protection of all peoples and nations; and the establishment of a permanent and universal peace as the supreme goal of all mankind—these stand out as the essential elements of that Divine polity which He proclaimed to leaders of public thought as well as to the masses at large in the course of these missionary journeys. 

(Shoghi Effendi, ‘God Passes By’)