Go for it now. The future is promised to no one.
What you do today can improve all your tomorrows.
Never complain and never explain.
If you can dream it, you can do it.
It's always too early to quit.
Well done is better than well said.
Always desire to learn something useful.
Do not weep do not wax indignant. Understand.
The wise does at once what the fool does at last.
Only the educated are free.
Sound is the vocabulary of nature.
The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.