Be just to everyone and don't look for an honour greater than this!

The longer and the deeper the thought, the shorter the sentence of wisdom will be.

Monkey can make a long jump with his muscles; and man, with his wisdom!

Some boats are rotten in the ports; some boats shine in the hard journeys!

You are waiting for something good to come; but you know, if the life is also waiting, then nothing will happen, nothing will come!

Stumble is worse than falling, because stumble is not as instructive as the falling!

Science is the Noah's Ark very itself! Seek no other vessel!