22 The Constitution of the Democratic Socialist Republic of Sri Lanka (b) to further the national interest and to foster national unity; (c) to work conscientiously in his chosen occupation; (d) to preserve and protect public property and to combat misuse and waste of public property; (e) to respect the rights and freedoms of others; and (f) to protect nature and conserve its riches. Principles of State Policy and fundamental duties not justifiable 29. The provisions of this Chapter do not confer or impose legal rights or obligations and are not enforceable in any court or tribunal. No question of inconsistency with such provisions shall be raised in any court or tribunal.