“Men of immature understanding begin an act without having an eye to what may happen in future.” –  Rajshuyarambha Parva, Sabha Parva

“Friendship never remains in the world in anyone’s heart without being worn out, Time wears it out, anger destroys it. The poor cannot be the friend of the rich, the unlearned cannot be the friend of the learned, the coward cannot be the friend of the brave.”
– Drupada to Drona, Sambhava Parva, Adi Parva

“Time creates all things and time destroys them all. Time burns all creatures and time again extinguishes that fire.” – Anukramanika Parva, Adi Parva

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

The one who never looks arrogant, never speaks about others with disregard, never says rude words, even if this one has lost self control – such a person is always liked by everyone. – Udyogaparva, Mahabharata

The one who seeks success has to abandon six vices: drowsiness, sloth, fear, anger, laziness and putting on work to a later time. – Udyogaparva, Mahabharata

The human form of life is a most valuable asset for the living entity who can utilize it for solving the problems of life; therefore, one who does not utilize this opportunity properly is a miser. – Lord Krishna to Arjuna

A confused man is a miserly one who does not solve the problems of life as a human and who thus quits this world like the cats and dogs without understanding without the science of self realization. – Lord Krishna to Arjuna

The intoxication with power is worse than drunkenness with liquor and such, for who is drunk with power does not come to his senses before he falls. – Vidura Niti

Unless the senses are controlled, there is no chance of elevation to the platform of knowledge and without knowledge and devotion there is no chance of liberation. – Lord Krishna to Arjuna