Knowledge Quotes Scientists have become the bearers of the torch of discovery in our quest for knowledge. #Knowledge#Scientist Stephen Hawking If four things are followed - having a great aim, acquiring knowledge, hard work, and perseverance - then anything can be achieved. #Work # Aim # Knowledge # Hard Work A P J Abdul Kalam Great teachers emanate out of knowledge, passion and compassion. #Teachers # Knowledge# Passion # Compassion A P J Abdul Kalam The only source of knowledge is experience. #Knowledge#Experience Albert Einstein