You can discuss any inspirational sayings from Hindu Heritage. Some Examples are:

Ekam Sat Vipraha Bahudha Vadanti

Vasudhaiva Kutumbakam

Satyameva Jayate

Aham Brahmasmi

Patanjali Yogasutras

Vande Mataram Song

Srimad Bhagvad Gita Shloks

Gayatri Mantra