Hear with your heart...

Temple bells at the Bhairon Devta Temple, Bhaironghati in the Garhwal Himalayas
Temple bells at the Gangotri Temple, Garhwal Himalayas
A temple bell hangs in Gangnani, Enroute to Gangotri
[From top to bottom: Temple Bells

See with your soul...

Colorful chunaris tied believed to fulfill wishes at Gangnani
[From top to bottom: Chunaris (red and silver colored in pictures)
- a symbol of divine power @Gangotri, Gangnani]

Be guided by a hand...

Leaf Diya (candle) being ignited to be floated on the Ganges
Priest chants holy mantras for the devotees
[From top to bottom: A Lamp being ignited in Rishikesh,

... that you cannot hold,

Red Chunari at the Gangotri Temple in the Garhwal Himalayas of Uttarakhand
Swastik drawn at the Gangotri Temple compound, Garhwal Himalayas

Trust even if you cannot see...

A woman shows the power of faith in Harsil, Garhwal Himalayas
A man immersed in  reading a holy book at Kemundakhal, enroute to Badrinath

That's how "Faith" must be... - JP

Faith - One thing I strongly suggest... if you are sometime planning a trip in the Himalayas!