Jeremy Corbyn speech on the NHS

The video discusses various topics including the interest in revolvers and the National Health Service, the importance of caution in business, social justice and policy, and the issues of inequality and education. It highlights the need for social responsibility and the role of different professions in achieving social justice. The video also addresses the challenges faced by children in poverty and the elderly who are uncared for.

What is the significance of the phrase 'Be careful at all times' in the context of the text?

In what ways does the text suggest helping others around the world?