Freedom of expression is one of the fundamental rights of democracy.

In genetics, we study how genes determine the phenotype.

Hate speech has the power to divide society as a whole.

Solving a linear equation is difficult.

Solving a quadratic equation is difficult.

He worked all night to find the solution to the partial differential equation.

I am learning how to solve ordinary differential equations.

He claims to be a warrior for freedom of expression, but in reality, he's just someone who uses derogatory words.

He is using great force for a small problem. It's exactly like the proverb, 'Using a cleaver to kill a chicken.'

He said, 'Why use a cleaver to kill a chicken?' teaching me the importance of using the right tool for the job.