In waking a tiger, use a long stick.

The atom bomb is a paper tiger which the United States reactionaries use to scare people. It looks terrible, but in fact it isn't.

Communism is not love. Communism is a hammer which we use to crush the enemy.

Investigation may be likened to the long months of pregnancy, and solving a problem to the day of birth. To investigate a problem is, indeed, to solve it.

In general, any form of exercise, if pursued continuously, will help train us in perseverance. Long-distance running is particularly good training in perseverance.

In time of difficulties, we must not lose sight of our achievements.