Hardship builds moral character.

(informal) If you provoke somebody, you can expect an aggressive reaction.

Somebody who spends time with undesirable people will be regarded as one of them.

Alternative form of what you lose on the swings you gain on the roundabouts

(UK) There are both gains and losses in life; you win some, you lose some.

One's position in an organization dictates one's stance on an issue.

If one does not know about a problem or a misdeed, one will not be able to render oneself unhappy by worrying about it; often used to justify not informing an individual about a problem or misdeed.

To make no attempt to do something guarantees failure, so you should always try.

plural of thank you

plural of thank-you