The warrior has two enemies – sleep and tiredness. He has two friends – hardwork and caution. The warrior who can vanquish these enemies and befriend the two friends will be undefeatable. – Guru Dhronacharya to Arjuna

Never try to do good deeds under the influence of passion, fear or greed. – Udyogaparva, Mahabharata

If a student is not keen, what can the teacher do. Knowledge is a seed. The mind should be fertile. – Guru Dhronacharya to Arjuna

Only the result of a work can tell whether the work started at an auspicious or inauspicious time. – Devarata to King Shantanu

If you start a work, take rest only after its completion; otherwise, the (incomplete) work will finish you. – Devarata to King Shantanu in Mahabharata

Yearning for pleasure captivates man, but then causes passion and anger in him.- Udyogaparva, Mahabharata

A swan can fly only with the help of two wings. One wing is karma (action) and the other wing is knowledge. If there is only one wing, then the other is useless. With the help of one, swan cannot fly. – Devarata to King Shantanu in Mahabharata