The document discusses investment and its key aspects. It defines investment as sacrificing present value for uncertain future returns. The main objectives of investment are to earn regular returns and income over the long term. While most people are interested in investing, the majority incur losses by following others blindly instead of managing their investments scientifically. True investment involves committing funds to low risk opportunities for long periods, while speculation takes higher risks for short-term gains. The key features of successful investment are potential returns, consideration of risk and safety, liquidity, and tax advantages.