Ц

1.     Цель оправдывает средства.

The end justifies the means.

2.     Цену вещи узнаешь, когда потеряешь.

We know not what is good until we have lost it.

We never know the value of water till the well is dry.

3.     Цыплят по осени считают.

Don't count your chickens before they are hatched.