By failing to prepare, you are preparing to fail.
Things do not happen. Things are made to happen.
You never know what motivates you.
Be kind whenever possible. It is always possible.
It's always too early to quit.
Without hard work, nothing grows but weeds.
To know oneself, one should assert oneself.
Expect problems and eat them for breakfast.
If you can dream it, you can do it.
Always desire to learn something useful.
Diversity in the world is a basic characteristic of human society, and also the key condition for a lively and dynamic world as we see today.