Subhashit

ये केचिद् दु:खिता लोके सर्वे ते स्वसुखेच्छया |
ये केचित् सुखिता लोके सर्वे तेऽन्यसुखेच्छया ||

Whatever persons are unhappy in this world, they are so because of their desire (greed) for their own happiness. While those who are happy in this world, they are so, because of their desire for the happiness of others. People are miserable because they strive for their happiness and do not obtain it, while those who strive or exert to make others happy become themselves happy!

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उद्धरेदात्मनात्मानं नात्मानमवसादयेत् |

आत्मैव ह्मात्मनो बंधु: आत्मैव रिपुरात्मन:ाा

Be cause of your own progress, don't be a cause of your own degradation. You yourself are your friend or enemy (no one else).

That is, a person will prosper or ruin due to his own deeds, he has to select what he wants.

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सत्यं ब्रुयात् प्रियम् ब्रुयान्नब्रुयात् सत्यमप्रियम् |
प्रियम् च नानॄतम् ब्रुयादेष: धर्म: सनातन: ||

speak true, speak what is pleasant to others. don't tell truth which is not pleasant (which is harmful) (similarly) even though pleasant, don't speak false, this is Darmah You will find this "eshah dharmah sanatanah" in many subgashitas normally this is kept at the end. to emphasize on what poet is trying to say. other such part is "iti smrtah", "iti nishchayah" etc.

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समानी व: आकूति: समाना )दयानि व: |
समानम् अस्तु वो मन: यथा व: सुसहा असति ||

यथा व: सुसहा असति ||

ऋग्वेद

This is the last 'shloka' in the Rigveda. It states - Let your conclusions be ONE (or be alike), Let your hearts be the same (or be alike) [So that "everyone" feels for the same particular bad/ill in the society in the same intensity. It may be the common experience that not all feel for the same problem in the 'intensity' that we as individual may feel for that. Due to this there may be lack of 'collective' efforts to solve that problem]. Let your minds think alike/similar. May all these factors make your organisational-power an impressive one. This 'shloka' can be called as an 'sanghatan-sukta' i.e. guidelines for building an impressive organisation/nation.

Lokmanya Bal Gangadhar Tilak had ended his book 'Geeta Rahasya' by this 'shloka'.

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Reference: http://sa.wiktionary.org/