Sustainability is not a trend; it's a responsibility we all share.
Tyranny, like hell, is not easily conquered; yet we have this consolation with us, that the harder the conflict, the more glorious the triumph.
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.
Make it simple. Make it memorable. Make it inviting to look at. Make it fun to read.
In examinations the foolish ask questions that the wise cannot answer.