In plain words
this too is one. People tend to think that tyāga means giving dāna, or giving alms. There is a great difference between sacrifice and charity. Charity means giving to others, in whatever measure, out of one's own wealth. The gift of cows, of land, of food, of labor, of education, and of knowledge, and the like — these all fall under charity.
By giving in charity, no man ever loses everything he has; by not giving in charity, a person is not born poor. Going a step further, keeping only what is proper and necessary and giving away all the rest in charity can win even greater, most excellent fame in society. 'Wealth is to be given to the poor.' Our scriptures say one must give some of what one has to the wretched and the poor — that is, one must help them. Not doing so, one must not, out of selfishness, harshly, unjustly and illegally, amass lakhs and pile up crores, and become a greedy, miserly person. To such a miser, sooner or later, downfall befalls; that never fails. Unjustly earned food is the people's own blood-food — since that is so, young people must not become slaves to such an unjustly-earned life. God, too, does not forgive such a selfish life. One who, without giving to others and without eating himself, hoards up his entire wealth and dies, attains a bad state after death; such a person's progeny too will in future experience downfall.
For such money there are four heirs. The first is Dharma, the second the king — that is, the government. The third is fire, and the fourth the thief. Among these, the eldest heir is Dharma. The eldest heir alone must receive the largest share. A student must be the kind of person who has recognized this.
Above these four heirs, the highest step is tyāga. This means: even the most supremely excellent and immensely beloved things, smiling, smiling,