"Seyarkai arithaku kadathum ulagathu
Iyarkai arinthu seyal"
________ 'tis truest tact
To follow common sense of man in act.
In the above Thirukkural, which one of the following are identified by Thiruvalluvar as best means of doing business.
1
Knowledge from books
2
Understanding the practical ways of the world and act accordingly
3
Through theoretical methods
4
Act according to the situation