(rare) Synonym of there's more than one way to skin a cat

A living thing of little or no intelligence does not feel pain or other negative sensations.

The world, or some other specified environment, is a harsh and dangerous place.

Alternative form of something is rotten in the state of Denmark

(idiomatic) I am not interested in the event and do not plan to attend. / Used other than figuratively or idiomatically: see start.

There is only one Earth, so humans must do everything they can to conserve Earth's environment now, i.e. by taking steps to mitigate climate change, etc.

Alternative form of there are none so blind as those who will not see

Alternative form of there's many a slip twixt cup and lip

(colloquial, sometimes humorous) To put someone in a disadvantageous position, as in an argument, such that someone doesn't have an appropriate answer or solution.

Synonym of have someone there